511580900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 1147426560

約数和(自身を除く): 635845660

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 89, 94, 100, 178, 188, 235, 356, 445, 470, 890, 940, 1175, 1223, 1780, 2225, 2350, 2446, 4183, 4450, 4700, 4892, 6115, 8366, 8900, 12230, 16732, 20915, 24460, 30575, 41830, 57481, 61150, 83660, 104575, 108847, 114962, 122300, 209150, 217694, 229924, 287405, 418300, 435388, 544235, 574810, 1088470, 1149620, 1437025, 2176940, 2721175, 2874050, 5115809, 5442350, 5748100, 10231618, 10884700, 20463236, 25579045, 51158090, 102316180, 127895225, 255790450, 511580900]

約数ペア:

[(1, 511580900), (2, 255790450), (4, 127895225), (5, 102316180), (10, 51158090), (20, 25579045), (25, 20463236), (47, 10884700), (50, 10231618), (89, 5748100), (94, 5442350), (100, 5115809), (178, 2874050), (188, 2721175), (235, 2176940), (356, 1437025), (445, 1149620), (470, 1088470), (890, 574810), (940, 544235), (1175, 435388), (1223, 418300), (1780, 287405), (2225, 229924), (2350, 217694), (2446, 209150), (4183, 122300), (4450, 114962), (4700, 108847), (4892, 104575), (6115, 83660), (8366, 61150), (8900, 57481), (12230, 41830), (16732, 30575), (20915, 24460)]