174991280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1806

約数の個数: 80

約数和(自身を含む): 430472448

約数和(自身を除く): 255481168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 1721, 2480, 2542, 3280, 3442, 5084, 6355, 6884, 8605, 10168, 12710, 13768, 17210, 20336, 25420, 27536, 34420, 50840, 53351, 68840, 70561, 101680, 106702, 137680, 141122, 213404, 266755, 282244, 352805, 426808, 533510, 564488, 705610, 853616, 1067020, 1128976, 1411220, 2134040, 2187391, 2822440, 4268080, 4374782, 5644880, 8749564, 10936955, 17499128, 21873910, 34998256, 43747820, 87495640, 174991280]

約数ペア:

[(1, 174991280), (2, 87495640), (4, 43747820), (5, 34998256), (8, 21873910), (10, 17499128), (16, 10936955), (20, 8749564), (31, 5644880), (40, 4374782), (41, 4268080), (62, 2822440), (80, 2187391), (82, 2134040), (124, 1411220), (155, 1128976), (164, 1067020), (205, 853616), (248, 705610), (310, 564488), (328, 533510), (410, 426808), (496, 352805), (620, 282244), (656, 266755), (820, 213404), (1240, 141122), (1271, 137680), (1640, 106702), (1721, 101680), (2480, 70561), (2542, 68840), (3280, 53351), (3442, 50840), (5084, 34420), (6355, 27536), (6884, 25420), (8605, 20336), (10168, 17210), (12710, 13768)]