189062180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4999}}^1$

素因数の和:5100

約数の個数: 48

約数和(自身を含む): 416640000

約数和(自身を除く): 227577820

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 4999, 7564, 9455, 9998, 18910, 19996, 24995, 37820, 49990, 99980, 154969, 304939, 309938, 609878, 619876, 774845, 1219756, 1524695, 1549690, 3049390, 3099380, 6098780, 9453109, 18906218, 37812436, 47265545, 94531090, 189062180]

約数ペア:

[(1, 189062180), (2, 94531090), (4, 47265545), (5, 37812436), (10, 18906218), (20, 9453109), (31, 6098780), (61, 3099380), (62, 3049390), (122, 1549690), (124, 1524695), (155, 1219756), (244, 774845), (305, 619876), (310, 609878), (610, 309938), (620, 304939), (1220, 154969), (1891, 99980), (3782, 49990), (4999, 37820), (7564, 24995), (9455, 19996), (9998, 18910)]