201620860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23609}}^1$

素因数の和:23686

約数の個数: 48

約数和(自身を含む): 491843520

約数和(自身を除く): 290222660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 23609, 47218, 94436, 118045, 165263, 236090, 330526, 472180, 661052, 826315, 1440149, 1652630, 2880298, 3305260, 5760596, 7200745, 10081043, 14401490, 20162086, 28802980, 40324172, 50405215, 100810430, 201620860]

約数ペア:

[(1, 201620860), (2, 100810430), (4, 50405215), (5, 40324172), (7, 28802980), (10, 20162086), (14, 14401490), (20, 10081043), (28, 7200745), (35, 5760596), (61, 3305260), (70, 2880298), (122, 1652630), (140, 1440149), (244, 826315), (305, 661052), (427, 472180), (610, 330526), (854, 236090), (1220, 165263), (1708, 118045), (2135, 94436), (4270, 47218), (8540, 23609)]