28923700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 71210720

約数和(自身を除く): 42287020

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, 494, 650, 950, 988, 1171, 1235, 1300, 1900, 2342, 2470, 4684, 4940, 5855, 6175, 11710, 12350, 15223, 22249, 23420, 24700, 29275, 30446, 44498, 58550, 60892, 76115, 88996, 111245, 117100, 152230, 222490, 289237, 304460, 380575, 444980, 556225, 578474, 761150, 1112450, 1156948, 1446185, 1522300, 2224900, 2892370, 5784740, 7230925, 14461850, 28923700]

約数ペア:

[(1, 28923700), (2, 14461850), (4, 7230925), (5, 5784740), (10, 2892370), (13, 2224900), (19, 1522300), (20, 1446185), (25, 1156948), (26, 1112450), (38, 761150), (50, 578474), (52, 556225), (65, 444980), (76, 380575), (95, 304460), (100, 289237), (130, 222490), (190, 152230), (247, 117100), (260, 111245), (325, 88996), (380, 76115), (475, 60892), (494, 58550), (650, 44498), (950, 30446), (988, 29275), (1171, 24700), (1235, 23420), (1300, 22249), (1900, 15223), (2342, 12350), (2470, 11710), (4684, 6175), (4940, 5855)]