208798640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1427}}^1$

素因数の和:1530

約数の個数: 80

約数和(自身を含む): 509967360

約数和(自身を除く): 301168720

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, 1427, 1829, 2360, 2480, 2854, 3658, 4720, 5708, 7135, 7316, 9145, 11416, 14270, 14632, 18290, 22832, 28540, 29264, 36580, 44237, 57080, 73160, 84193, 88474, 114160, 146320, 168386, 176948, 221185, 336772, 353896, 420965, 442370, 673544, 707792, 841930, 884740, 1347088, 1683860, 1769480, 2609983, 3367720, 3538960, 5219966, 6735440, 10439932, 13049915, 20879864, 26099830, 41759728, 52199660, 104399320, 208798640]

約数ペア:

[(1, 208798640), (2, 104399320), (4, 52199660), (5, 41759728), (8, 26099830), (10, 20879864), (16, 13049915), (20, 10439932), (31, 6735440), (40, 5219966), (59, 3538960), (62, 3367720), (80, 2609983), (118, 1769480), (124, 1683860), (155, 1347088), (236, 884740), (248, 841930), (295, 707792), (310, 673544), (472, 442370), (496, 420965), (590, 353896), (620, 336772), (944, 221185), (1180, 176948), (1240, 168386), (1427, 146320), (1829, 114160), (2360, 88474), (2480, 84193), (2854, 73160), (3658, 57080), (4720, 44237), (5708, 36580), (7135, 29264), (7316, 28540), (9145, 22832), (11416, 18290), (14270, 14632)]