221812500

素因数分解:

$2^2\times 3^1\times 5^6\times 7^1\times {\mathrm{13}}^2$

素因数の和:70

約数の個数: 252

約数和(自身を含む): 800614752

約数和(自身を除く): 578802252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 140, 150, 156, 169, 175, 182, 195, 210, 250, 260, 273, 300, 325, 338, 350, 364, 375, 390, 420, 455, 500, 507, 525, 546, 625, 650, 676, 700, 750, 780, 845, 875, 910, 975, 1014, 1050, 1092, 1183, 1250, 1300, 1365, 1500, 1625, 1690, 1750, 1820, 1875, 1950, 2028, 2100, 2275, 2366, 2500, 2535, 2625, 2730, 3125, 3250, 3380, 3500, 3549, 3750, 3900, 4225, 4375, 4550, 4732, 4875, 5070, 5250, 5460, 5915, 6250, 6500, 6825, 7098, 7500, 8125, 8450, 8750, 9100, 9375, 9750, 10140, 10500, 11375, 11830, 12500, 12675, 13125, 13650, 14196, 15625, 16250, 16900, 17500, 17745, 18750, 19500, 21125, 21875, 22750, 23660, 24375, 25350, 26250, 27300, 29575, 31250, 32500, 34125, 35490, 37500, 40625, 42250, 43750, 45500, 46875, 48750, 50700, 52500, 56875, 59150, 62500, 63375, 65625, 68250, 70980, 81250, 84500, 87500, 88725, 93750, 97500, 105625, 109375, 113750, 118300, 121875, 126750, 131250, 136500, 147875, 162500, 170625, 177450, 187500, 203125, 211250, 218750, 227500, 243750, 253500, 262500, 284375, 295750, 316875, 328125, 341250, 354900, 406250, 422500, 437500, 443625, 487500, 528125, 568750, 591500, 609375, 633750, 656250, 682500, 739375, 812500, 853125, 887250, 1056250, 1137500, 1218750, 1267500, 1312500, 1421875, 1478750, 1584375, 1706250, 1774500, 2112500, 2218125, 2437500, 2640625, 2843750, 2957500, 3168750, 3412500, 3696875, 4265625, 4436250, 5281250, 5687500, 6337500, 7393750, 7921875, 8531250, 8872500, 10562500, 11090625, 14787500, 15843750, 17062500, 18484375, 22181250, 31687500, 36968750, 44362500, 55453125, 73937500, 110906250, 221812500]

約数ペア:

[(1, 221812500), (2, 110906250), (3, 73937500), (4, 55453125), (5, 44362500), (6, 36968750), (7, 31687500), (10, 22181250), (12, 18484375), (13, 17062500), (14, 15843750), (15, 14787500), (20, 11090625), (21, 10562500), (25, 8872500), (26, 8531250), (28, 7921875), (30, 7393750), (35, 6337500), (39, 5687500), (42, 5281250), (50, 4436250), (52, 4265625), (60, 3696875), (65, 3412500), (70, 3168750), (75, 2957500), (78, 2843750), (84, 2640625), (91, 2437500), (100, 2218125), (105, 2112500), (125, 1774500), (130, 1706250), (140, 1584375), (150, 1478750), (156, 1421875), (169, 1312500), (175, 1267500), (182, 1218750), (195, 1137500), (210, 1056250), (250, 887250), (260, 853125), (273, 812500), (300, 739375), (325, 682500), (338, 656250), (350, 633750), (364, 609375), (375, 591500), (390, 568750), (420, 528125), (455, 487500), (500, 443625), (507, 437500), (525, 422500), (546, 406250), (625, 354900), (650, 341250), (676, 328125), (700, 316875), (750, 295750), (780, 284375), (845, 262500), (875, 253500), (910, 243750), (975, 227500), (1014, 218750), (1050, 211250), (1092, 203125), (1183, 187500), (1250, 177450), (1300, 170625), (1365, 162500), (1500, 147875), (1625, 136500), (1690, 131250), (1750, 126750), (1820, 121875), (1875, 118300), (1950, 113750), (2028, 109375), (2100, 105625), (2275, 97500), (2366, 93750), (2500, 88725), (2535, 87500), (2625, 84500), (2730, 81250), (3125, 70980), (3250, 68250), (3380, 65625), (3500, 63375), (3549, 62500), (3750, 59150), (3900, 56875), (4225, 52500), (4375, 50700), (4550, 48750), (4732, 46875), (4875, 45500), (5070, 43750), (5250, 42250), (5460, 40625), (5915, 37500), (6250, 35490), (6500, 34125), (6825, 32500), (7098, 31250), (7500, 29575), (8125, 27300), (8450, 26250), (8750, 25350), (9100, 24375), (9375, 23660), (9750, 22750), (10140, 21875), (10500, 21125), (11375, 19500), (11830, 18750), (12500, 17745), (12675, 17500), (13125, 16900), (13650, 16250), (14196, 15625)]