1553331700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{2579}}^1$

素因数の和:2929

約数の個数: 72

約数和(自身を含む): 3560709600

約数和(自身を除く): 2007377900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 317, 380, 475, 634, 950, 1268, 1585, 1900, 2579, 3170, 5158, 6023, 6340, 7925, 10316, 12046, 12895, 15850, 24092, 25790, 30115, 31700, 49001, 51580, 60230, 64475, 98002, 120460, 128950, 150575, 196004, 245005, 257900, 301150, 490010, 602300, 817543, 980020, 1225025, 1635086, 2450050, 3270172, 4087715, 4900100, 8175430, 15533317, 16350860, 20438575, 31066634, 40877150, 62133268, 77666585, 81754300, 155333170, 310666340, 388332925, 776665850, 1553331700]

約数ペア:

[(1, 1553331700), (2, 776665850), (4, 388332925), (5, 310666340), (10, 155333170), (19, 81754300), (20, 77666585), (25, 62133268), (38, 40877150), (50, 31066634), (76, 20438575), (95, 16350860), (100, 15533317), (190, 8175430), (317, 4900100), (380, 4087715), (475, 3270172), (634, 2450050), (950, 1635086), (1268, 1225025), (1585, 980020), (1900, 817543), (2579, 602300), (3170, 490010), (5158, 301150), (6023, 257900), (6340, 245005), (7925, 196004), (10316, 150575), (12046, 128950), (12895, 120460), (15850, 98002), (24092, 64475), (25790, 60230), (30115, 51580), (31700, 49001)]