213399350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 427811904

約数和(自身を除く): 214412554

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 61, 62, 74, 122, 155, 185, 305, 310, 370, 610, 775, 925, 1147, 1525, 1550, 1850, 1891, 2257, 2294, 3050, 3721, 3782, 4514, 5735, 7442, 9455, 11285, 11470, 18605, 18910, 22570, 28675, 37210, 47275, 56425, 57350, 69967, 93025, 94550, 112850, 115351, 137677, 139934, 186050, 230702, 275354, 349835, 576755, 688385, 699670, 1153510, 1376770, 1749175, 2883775, 3441925, 3498350, 4267987, 5767550, 6883850, 8535974, 21339935, 42679870, 106699675, 213399350]

約数ペア:

[(1, 213399350), (2, 106699675), (5, 42679870), (10, 21339935), (25, 8535974), (31, 6883850), (37, 5767550), (50, 4267987), (61, 3498350), (62, 3441925), (74, 2883775), (122, 1749175), (155, 1376770), (185, 1153510), (305, 699670), (310, 688385), (370, 576755), (610, 349835), (775, 275354), (925, 230702), (1147, 186050), (1525, 139934), (1550, 137677), (1850, 115351), (1891, 112850), (2257, 94550), (2294, 93025), (3050, 69967), (3721, 57350), (3782, 56425), (4514, 47275), (5735, 37210), (7442, 28675), (9455, 22570), (11285, 18910), (11470, 18605)]