421625100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{108109}}^1$

素因数の和:108139

約数の個数: 72

約数和(自身を含む): 1313752720

約数和(自身を除く): 892127620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 108109, 216218, 324327, 432436, 540545, 648654, 1081090, 1297308, 1405417, 1621635, 2162180, 2702725, 2810834, 3243270, 4216251, 5405450, 5621668, 6486540, 7027085, 8108175, 8432502, 10810900, 14054170, 16216350, 16865004, 21081255, 28108340, 32432700, 35135425, 42162510, 70270850, 84325020, 105406275, 140541700, 210812550, 421625100]

約数ペア:

[(1, 421625100), (2, 210812550), (3, 140541700), (4, 105406275), (5, 84325020), (6, 70270850), (10, 42162510), (12, 35135425), (13, 32432700), (15, 28108340), (20, 21081255), (25, 16865004), (26, 16216350), (30, 14054170), (39, 10810900), (50, 8432502), (52, 8108175), (60, 7027085), (65, 6486540), (75, 5621668), (78, 5405450), (100, 4216251), (130, 3243270), (150, 2810834), (156, 2702725), (195, 2162180), (260, 1621635), (300, 1405417), (325, 1297308), (390, 1081090), (650, 648654), (780, 540545), (975, 432436), (1300, 324327), (1950, 216218), (3900, 108109)]