219913360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1601}}^1$

素因数の和:1732

約数の個数: 80

約数和(自身を含む): 547076592

約数和(自身を除く): 327163232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 680, 808, 1010, 1360, 1601, 1616, 1717, 2020, 3202, 3434, 4040, 6404, 6868, 8005, 8080, 8585, 12808, 13736, 16010, 17170, 25616, 27217, 27472, 32020, 34340, 54434, 64040, 68680, 108868, 128080, 136085, 137360, 161701, 217736, 272170, 323402, 435472, 544340, 646804, 808505, 1088680, 1293608, 1617010, 2177360, 2587216, 2748917, 3234020, 5497834, 6468040, 10995668, 12936080, 13744585, 21991336, 27489170, 43982672, 54978340, 109956680, 219913360]

約数ペア:

[(1, 219913360), (2, 109956680), (4, 54978340), (5, 43982672), (8, 27489170), (10, 21991336), (16, 13744585), (17, 12936080), (20, 10995668), (34, 6468040), (40, 5497834), (68, 3234020), (80, 2748917), (85, 2587216), (101, 2177360), (136, 1617010), (170, 1293608), (202, 1088680), (272, 808505), (340, 646804), (404, 544340), (505, 435472), (680, 323402), (808, 272170), (1010, 217736), (1360, 161701), (1601, 137360), (1616, 136085), (1717, 128080), (2020, 108868), (3202, 68680), (3434, 64040), (4040, 54434), (6404, 34340), (6868, 32020), (8005, 27472), (8080, 27217), (8585, 25616), (12808, 17170), (13736, 16010)]