197437500

素因数分解:

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

素因数の和:62

約数の個数: 252

約数和(自身を含む): 696709832

約数和(自身を除く): 499272332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 125, 130, 135, 150, 156, 162, 180, 195, 225, 234, 243, 250, 260, 270, 300, 324, 325, 351, 375, 390, 405, 450, 468, 486, 500, 540, 585, 625, 650, 675, 702, 750, 780, 810, 900, 972, 975, 1053, 1125, 1170, 1215, 1250, 1300, 1350, 1404, 1500, 1620, 1625, 1755, 1875, 1950, 2025, 2106, 2250, 2340, 2430, 2500, 2700, 2925, 3125, 3159, 3250, 3375, 3510, 3750, 3900, 4050, 4212, 4500, 4860, 4875, 5265, 5625, 5850, 6075, 6250, 6318, 6500, 6750, 7020, 7500, 8100, 8125, 8775, 9375, 9750, 10125, 10530, 11250, 11700, 12150, 12500, 12636, 13500, 14625, 15625, 15795, 16250, 16875, 17550, 18750, 19500, 20250, 21060, 22500, 24300, 24375, 26325, 28125, 29250, 30375, 31250, 31590, 32500, 33750, 35100, 37500, 40500, 40625, 43875, 46875, 48750, 50625, 52650, 56250, 58500, 60750, 62500, 63180, 67500, 73125, 78975, 81250, 84375, 87750, 93750, 97500, 101250, 105300, 112500, 121500, 121875, 131625, 140625, 146250, 151875, 157950, 162500, 168750, 175500, 187500, 202500, 203125, 219375, 243750, 253125, 263250, 281250, 292500, 303750, 315900, 337500, 365625, 394875, 406250, 421875, 438750, 487500, 506250, 526500, 562500, 607500, 609375, 658125, 731250, 759375, 789750, 812500, 843750, 877500, 1012500, 1096875, 1218750, 1265625, 1316250, 1462500, 1518750, 1579500, 1687500, 1828125, 1974375, 2193750, 2437500, 2531250, 2632500, 3037500, 3290625, 3656250, 3796875, 3948750, 4387500, 5062500, 5484375, 6581250, 7312500, 7593750, 7897500, 9871875, 10968750, 13162500, 15187500, 16453125, 19743750, 21937500, 32906250, 39487500, 49359375, 65812500, 98718750, 197437500]

約数ペア:

[(1, 197437500), (2, 98718750), (3, 65812500), (4, 49359375), (5, 39487500), (6, 32906250), (9, 21937500), (10, 19743750), (12, 16453125), (13, 15187500), (15, 13162500), (18, 10968750), (20, 9871875), (25, 7897500), (26, 7593750), (27, 7312500), (30, 6581250), (36, 5484375), (39, 5062500), (45, 4387500), (50, 3948750), (52, 3796875), (54, 3656250), (60, 3290625), (65, 3037500), (75, 2632500), (78, 2531250), (81, 2437500), (90, 2193750), (100, 1974375), (108, 1828125), (117, 1687500), (125, 1579500), (130, 1518750), (135, 1462500), (150, 1316250), (156, 1265625), (162, 1218750), (180, 1096875), (195, 1012500), (225, 877500), (234, 843750), (243, 812500), (250, 789750), (260, 759375), (270, 731250), (300, 658125), (324, 609375), (325, 607500), (351, 562500), (375, 526500), (390, 506250), (405, 487500), (450, 438750), (468, 421875), (486, 406250), (500, 394875), (540, 365625), (585, 337500), (625, 315900), (650, 303750), (675, 292500), (702, 281250), (750, 263250), (780, 253125), (810, 243750), (900, 219375), (972, 203125), (975, 202500), (1053, 187500), (1125, 175500), (1170, 168750), (1215, 162500), (1250, 157950), (1300, 151875), (1350, 146250), (1404, 140625), (1500, 131625), (1620, 121875), (1625, 121500), (1755, 112500), (1875, 105300), (1950, 101250), (2025, 97500), (2106, 93750), (2250, 87750), (2340, 84375), (2430, 81250), (2500, 78975), (2700, 73125), (2925, 67500), (3125, 63180), (3159, 62500), (3250, 60750), (3375, 58500), (3510, 56250), (3750, 52650), (3900, 50625), (4050, 48750), (4212, 46875), (4500, 43875), (4860, 40625), (4875, 40500), (5265, 37500), (5625, 35100), (5850, 33750), (6075, 32500), (6250, 31590), (6318, 31250), (6500, 30375), (6750, 29250), (7020, 28125), (7500, 26325), (8100, 24375), (8125, 24300), (8775, 22500), (9375, 21060), (9750, 20250), (10125, 19500), (10530, 18750), (11250, 17550), (11700, 16875), (12150, 16250), (12500, 15795), (12636, 15625), (13500, 14625)]