218408080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{877}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 556553664

約数和(自身を除く): 338145584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 283, 440, 566, 877, 880, 1132, 1415, 1754, 2264, 2830, 3113, 3508, 4385, 4528, 5660, 6226, 7016, 8770, 9647, 11320, 12452, 14032, 15565, 17540, 19294, 22640, 24904, 31130, 35080, 38588, 48235, 49808, 62260, 70160, 77176, 96470, 124520, 154352, 192940, 248191, 249040, 385880, 496382, 771760, 992764, 1240955, 1985528, 2481910, 2730101, 3971056, 4963820, 5460202, 9927640, 10920404, 13650505, 19855280, 21840808, 27301010, 43681616, 54602020, 109204040, 218408080]

約数ペア:

[(1, 218408080), (2, 109204040), (4, 54602020), (5, 43681616), (8, 27301010), (10, 21840808), (11, 19855280), (16, 13650505), (20, 10920404), (22, 9927640), (40, 5460202), (44, 4963820), (55, 3971056), (80, 2730101), (88, 2481910), (110, 1985528), (176, 1240955), (220, 992764), (283, 771760), (440, 496382), (566, 385880), (877, 249040), (880, 248191), (1132, 192940), (1415, 154352), (1754, 124520), (2264, 96470), (2830, 77176), (3113, 70160), (3508, 62260), (4385, 49808), (4528, 48235), (5660, 38588), (6226, 35080), (7016, 31130), (8770, 24904), (9647, 22640), (11320, 19294), (12452, 17540), (14032, 15565)]