212447960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{171329}}^1$

素因数の和:171371

約数の個数: 32

約数和(自身を含む): 493430400

約数和(自身を除く): 280982440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 171329, 342658, 685316, 856645, 1370632, 1713290, 3426580, 5311199, 6853160, 10622398, 21244796, 26555995, 42489592, 53111990, 106223980, 212447960]

約数ペア:

[(1, 212447960), (2, 106223980), (4, 53111990), (5, 42489592), (8, 26555995), (10, 21244796), (20, 10622398), (31, 6853160), (40, 5311199), (62, 3426580), (124, 1713290), (155, 1370632), (248, 856645), (310, 685316), (620, 342658), (1240, 171329)]