211658080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 521579520

約数和(自身を除く): 309921440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 139, 155, 160, 248, 278, 307, 310, 496, 556, 614, 620, 695, 992, 1112, 1228, 1240, 1390, 1535, 2224, 2456, 2480, 2780, 3070, 4309, 4448, 4912, 4960, 5560, 6140, 8618, 9517, 9824, 11120, 12280, 17236, 19034, 21545, 22240, 24560, 34472, 38068, 42673, 43090, 47585, 49120, 68944, 76136, 85346, 86180, 95170, 137888, 152272, 170692, 172360, 190340, 213365, 304544, 341384, 344720, 380680, 426730, 682768, 689440, 761360, 853460, 1322863, 1365536, 1522720, 1706920, 2645726, 3413840, 5291452, 6614315, 6827680, 10582904, 13228630, 21165808, 26457260, 42331616, 52914520, 105829040, 211658080]

約数ペア:

[(1, 211658080), (2, 105829040), (4, 52914520), (5, 42331616), (8, 26457260), (10, 21165808), (16, 13228630), (20, 10582904), (31, 6827680), (32, 6614315), (40, 5291452), (62, 3413840), (80, 2645726), (124, 1706920), (139, 1522720), (155, 1365536), (160, 1322863), (248, 853460), (278, 761360), (307, 689440), (310, 682768), (496, 426730), (556, 380680), (614, 344720), (620, 341384), (695, 304544), (992, 213365), (1112, 190340), (1228, 172360), (1240, 170692), (1390, 152272), (1535, 137888), (2224, 95170), (2456, 86180), (2480, 85346), (2780, 76136), (3070, 68944), (4309, 49120), (4448, 47585), (4912, 43090), (4960, 42673), (5560, 38068), (6140, 34472), (8618, 24560), (9517, 22240), (9824, 21545), (11120, 19034), (12280, 17236)]