30319250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 64471680

約数和(自身を除く): 34152430

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 491, 494, 650, 950, 982, 1235, 1625, 2375, 2455, 2470, 3250, 4750, 4910, 6175, 6383, 9329, 12275, 12350, 12766, 18658, 24550, 30875, 31915, 46645, 61375, 61750, 63830, 93290, 121277, 122750, 159575, 233225, 242554, 319150, 466450, 606385, 797875, 1166125, 1212770, 1595750, 2332250, 3031925, 6063850, 15159625, 30319250]

約数ペア:

[(1, 30319250), (2, 15159625), (5, 6063850), (10, 3031925), (13, 2332250), (19, 1595750), (25, 1212770), (26, 1166125), (38, 797875), (50, 606385), (65, 466450), (95, 319150), (125, 242554), (130, 233225), (190, 159575), (247, 122750), (250, 121277), (325, 93290), (475, 63830), (491, 61750), (494, 61375), (650, 46645), (950, 31915), (982, 30875), (1235, 24550), (1625, 18658), (2375, 12766), (2455, 12350), (2470, 12275), (3250, 9329), (4750, 6383), (4910, 6175)]