12127700

素因数分解:

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

素因数の和:537

約数の個数: 72

約数和(自身を含む): 29893920

約数和(自身を除く): 17766220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 491, 494, 650, 950, 982, 988, 1235, 1300, 1900, 1964, 2455, 2470, 4910, 4940, 6175, 6383, 9329, 9820, 12275, 12350, 12766, 18658, 24550, 24700, 25532, 31915, 37316, 46645, 49100, 63830, 93290, 121277, 127660, 159575, 186580, 233225, 242554, 319150, 466450, 485108, 606385, 638300, 932900, 1212770, 2425540, 3031925, 6063850, 12127700]

約数ペア:

[(1, 12127700), (2, 6063850), (4, 3031925), (5, 2425540), (10, 1212770), (13, 932900), (19, 638300), (20, 606385), (25, 485108), (26, 466450), (38, 319150), (50, 242554), (52, 233225), (65, 186580), (76, 159575), (95, 127660), (100, 121277), (130, 93290), (190, 63830), (247, 49100), (260, 46645), (325, 37316), (380, 31915), (475, 25532), (491, 24700), (494, 24550), (650, 18658), (950, 12766), (982, 12350), (988, 12275), (1235, 9820), (1300, 9329), (1900, 6383), (1964, 6175), (2455, 4940), (2470, 4910)]