31349500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 86329152

約数和(自身を除く): 54979652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 53, 65, 70, 91, 100, 106, 125, 130, 140, 169, 175, 182, 212, 250, 260, 265, 325, 338, 350, 364, 371, 455, 500, 530, 650, 676, 689, 700, 742, 845, 875, 910, 1060, 1183, 1300, 1325, 1378, 1484, 1625, 1690, 1750, 1820, 1855, 2275, 2366, 2650, 2756, 3250, 3380, 3445, 3500, 3710, 4225, 4550, 4732, 4823, 5300, 5915, 6500, 6625, 6890, 7420, 8450, 8957, 9100, 9275, 9646, 11375, 11830, 13250, 13780, 16900, 17225, 17914, 18550, 19292, 21125, 22750, 23660, 24115, 26500, 29575, 34450, 35828, 37100, 42250, 44785, 45500, 46375, 48230, 59150, 62699, 68900, 84500, 86125, 89570, 92750, 96460, 118300, 120575, 125398, 147875, 172250, 179140, 185500, 223925, 241150, 250796, 295750, 313495, 344500, 447850, 482300, 591500, 602875, 626990, 895700, 1119625, 1205750, 1253980, 1567475, 2239250, 2411500, 3134950, 4478500, 6269900, 7837375, 15674750, 31349500]

約数ペア:

[(1, 31349500), (2, 15674750), (4, 7837375), (5, 6269900), (7, 4478500), (10, 3134950), (13, 2411500), (14, 2239250), (20, 1567475), (25, 1253980), (26, 1205750), (28, 1119625), (35, 895700), (50, 626990), (52, 602875), (53, 591500), (65, 482300), (70, 447850), (91, 344500), (100, 313495), (106, 295750), (125, 250796), (130, 241150), (140, 223925), (169, 185500), (175, 179140), (182, 172250), (212, 147875), (250, 125398), (260, 120575), (265, 118300), (325, 96460), (338, 92750), (350, 89570), (364, 86125), (371, 84500), (455, 68900), (500, 62699), (530, 59150), (650, 48230), (676, 46375), (689, 45500), (700, 44785), (742, 42250), (845, 37100), (875, 35828), (910, 34450), (1060, 29575), (1183, 26500), (1300, 24115), (1325, 23660), (1378, 22750), (1484, 21125), (1625, 19292), (1690, 18550), (1750, 17914), (1820, 17225), (1855, 16900), (2275, 13780), (2366, 13250), (2650, 11830), (2756, 11375), (3250, 9646), (3380, 9275), (3445, 9100), (3500, 8957), (3710, 8450), (4225, 7420), (4550, 6890), (4732, 6625), (4823, 6500), (5300, 5915)]