84864170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 167961600

約数和(自身を除く): 83097430

約数列:

[1, 2, 5, 10, 17, 34, 71, 79, 85, 89, 142, 158, 170, 178, 355, 395, 445, 710, 790, 890, 1207, 1343, 1513, 2414, 2686, 3026, 5609, 6035, 6319, 6715, 7031, 7565, 11218, 12070, 12638, 13430, 14062, 15130, 28045, 31595, 35155, 56090, 63190, 70310, 95353, 107423, 119527, 190706, 214846, 239054, 476765, 499201, 537115, 597635, 953530, 998402, 1074230, 1195270, 2496005, 4992010, 8486417, 16972834, 42432085, 84864170]

約数ペア:

[(1, 84864170), (2, 42432085), (5, 16972834), (10, 8486417), (17, 4992010), (34, 2496005), (71, 1195270), (79, 1074230), (85, 998402), (89, 953530), (142, 597635), (158, 537115), (170, 499201), (178, 476765), (355, 239054), (395, 214846), (445, 190706), (710, 119527), (790, 107423), (890, 95353), (1207, 70310), (1343, 63190), (1513, 56090), (2414, 35155), (2686, 31595), (3026, 28045), (5609, 15130), (6035, 14062), (6319, 13430), (6715, 12638), (7031, 12070), (7565, 11218)]