209676560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1433}}^1$

素因数の和:1536

約数の個数: 80

約数和(自身を含む): 512110080

約数和(自身を除く): 302433520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 1180, 1240, 1433, 1829, 2360, 2480, 2866, 3658, 4720, 5732, 7165, 7316, 9145, 11464, 14330, 14632, 18290, 22928, 28660, 29264, 36580, 44423, 57320, 73160, 84547, 88846, 114640, 146320, 169094, 177692, 222115, 338188, 355384, 422735, 444230, 676376, 710768, 845470, 888460, 1352752, 1690940, 1776920, 2620957, 3381880, 3553840, 5241914, 6763760, 10483828, 13104785, 20967656, 26209570, 41935312, 52419140, 104838280, 209676560]

約数ペア:

[(1, 209676560), (2, 104838280), (4, 52419140), (5, 41935312), (8, 26209570), (10, 20967656), (16, 13104785), (20, 10483828), (31, 6763760), (40, 5241914), (59, 3553840), (62, 3381880), (80, 2620957), (118, 1776920), (124, 1690940), (155, 1352752), (236, 888460), (248, 845470), (295, 710768), (310, 676376), (472, 444230), (496, 422735), (590, 355384), (620, 338188), (944, 222115), (1180, 177692), (1240, 169094), (1433, 146320), (1829, 114640), (2360, 88846), (2480, 84547), (2866, 73160), (3658, 57320), (4720, 44423), (5732, 36580), (7165, 29264), (7316, 28660), (9145, 22928), (11464, 18290), (14330, 14632)]