318697240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{274739}}^1$

素因数の和:274779

約数の個数: 32

約数和(自身を含む): 741798000

約数和(自身を除く): 423100760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 274739, 549478, 1098956, 1373695, 2197912, 2747390, 5494780, 7967431, 10989560, 15934862, 31869724, 39837155, 63739448, 79674310, 159348620, 318697240]

約数ペア:

[(1, 318697240), (2, 159348620), (4, 79674310), (5, 63739448), (8, 39837155), (10, 31869724), (20, 15934862), (29, 10989560), (40, 7967431), (58, 5494780), (116, 2747390), (145, 2197912), (232, 1373695), (290, 1098956), (580, 549478), (1160, 274739)]