291238240

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23041}}^1$

素因数の和:23135

約数の個数: 48

約数和(自身を含む): 696790080

約数和(自身を除く): 405551840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 23041, 46082, 92164, 115205, 184328, 230410, 368656, 460820, 737312, 921640, 1820239, 1843280, 3640478, 3686560, 7280956, 9101195, 14561912, 18202390, 29123824, 36404780, 58247648, 72809560, 145619120, 291238240]

約数ペア:

[(1, 291238240), (2, 145619120), (4, 72809560), (5, 58247648), (8, 36404780), (10, 29123824), (16, 18202390), (20, 14561912), (32, 9101195), (40, 7280956), (79, 3686560), (80, 3640478), (158, 1843280), (160, 1820239), (316, 921640), (395, 737312), (632, 460820), (790, 368656), (1264, 230410), (1580, 184328), (2528, 115205), (3160, 92164), (6320, 46082), (12640, 23041)]