249647960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{201329}}^1$

素因数の和:201371

約数の個数: 32

約数和(自身を含む): 579830400

約数和(自身を除く): 330182440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 201329, 402658, 805316, 1006645, 1610632, 2013290, 4026580, 6241199, 8053160, 12482398, 24964796, 31205995, 49929592, 62411990, 124823980, 249647960]

約数ペア:

[(1, 249647960), (2, 124823980), (4, 62411990), (5, 49929592), (8, 31205995), (10, 24964796), (20, 12482398), (31, 8053160), (40, 6241199), (62, 4026580), (124, 2013290), (155, 1610632), (248, 1006645), (310, 805316), (620, 402658), (1240, 201329)]