123899540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 271013904

約数和(自身を除く): 147114364

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2477, 2501, 4954, 5002, 9908, 10004, 12385, 12505, 24770, 25010, 49540, 50020, 101557, 151097, 203114, 302194, 406228, 507785, 604388, 755485, 1015570, 1510970, 2031140, 3021940, 6194977, 12389954, 24779908, 30974885, 61949770, 123899540]

約数ペア:

[(1, 123899540), (2, 61949770), (4, 30974885), (5, 24779908), (10, 12389954), (20, 6194977), (41, 3021940), (61, 2031140), (82, 1510970), (122, 1015570), (164, 755485), (205, 604388), (244, 507785), (305, 406228), (410, 302194), (610, 203114), (820, 151097), (1220, 101557), (2477, 50020), (2501, 49540), (4954, 25010), (5002, 24770), (9908, 12505), (10004, 12385)]