228204640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 562222080

約数和(自身を除く): 334017440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 139, 155, 160, 248, 278, 310, 331, 496, 556, 620, 662, 695, 992, 1112, 1240, 1324, 1390, 1655, 2224, 2480, 2648, 2780, 3310, 4309, 4448, 4960, 5296, 5560, 6620, 8618, 10261, 10592, 11120, 13240, 17236, 20522, 21545, 22240, 26480, 34472, 41044, 43090, 46009, 51305, 52960, 68944, 82088, 86180, 92018, 102610, 137888, 164176, 172360, 184036, 205220, 230045, 328352, 344720, 368072, 410440, 460090, 689440, 736144, 820880, 920180, 1426279, 1472288, 1641760, 1840360, 2852558, 3680720, 5705116, 7131395, 7361440, 11410232, 14262790, 22820464, 28525580, 45640928, 57051160, 114102320, 228204640]

約数ペア:

[(1, 228204640), (2, 114102320), (4, 57051160), (5, 45640928), (8, 28525580), (10, 22820464), (16, 14262790), (20, 11410232), (31, 7361440), (32, 7131395), (40, 5705116), (62, 3680720), (80, 2852558), (124, 1840360), (139, 1641760), (155, 1472288), (160, 1426279), (248, 920180), (278, 820880), (310, 736144), (331, 689440), (496, 460090), (556, 410440), (620, 368072), (662, 344720), (695, 328352), (992, 230045), (1112, 205220), (1240, 184036), (1324, 172360), (1390, 164176), (1655, 137888), (2224, 102610), (2480, 92018), (2648, 86180), (2780, 82088), (3310, 68944), (4309, 52960), (4448, 51305), (4960, 46009), (5296, 43090), (5560, 41044), (6620, 34472), (8618, 26480), (10261, 22240), (10592, 21545), (11120, 20522), (13240, 17236)]