388677070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{1987}}^1$

素因数の和:2656

約数の個数: 32

約数和(自身を含む): 723695616

約数和(自身を除く): 335018546

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 631, 1262, 1987, 3155, 3974, 6310, 9935, 19561, 19870, 39122, 61597, 97805, 123194, 195610, 307985, 615970, 1253797, 2507594, 6268985, 12537970, 38867707, 77735414, 194338535, 388677070]

約数ペア:

[(1, 388677070), (2, 194338535), (5, 77735414), (10, 38867707), (31, 12537970), (62, 6268985), (155, 2507594), (310, 1253797), (631, 615970), (1262, 307985), (1987, 195610), (3155, 123194), (3974, 97805), (6310, 61597), (9935, 39122), (19561, 19870)]