201196960

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 489888000

約数和(自身を除く): 288691040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 89, 142, 160, 178, 199, 284, 355, 356, 398, 445, 568, 710, 712, 796, 890, 995, 1136, 1420, 1424, 1592, 1780, 1990, 2272, 2840, 2848, 3184, 3560, 3980, 5680, 6319, 6368, 7120, 7960, 11360, 12638, 14129, 14240, 15920, 17711, 25276, 28258, 31595, 31840, 35422, 50552, 56516, 63190, 70645, 70844, 88555, 101104, 113032, 126380, 141290, 141688, 177110, 202208, 226064, 252760, 282580, 283376, 354220, 452128, 505520, 565160, 566752, 708440, 1011040, 1130320, 1257481, 1416880, 2260640, 2514962, 2833760, 5029924, 6287405, 10059848, 12574810, 20119696, 25149620, 40239392, 50299240, 100598480, 201196960]

約数ペア:

[(1, 201196960), (2, 100598480), (4, 50299240), (5, 40239392), (8, 25149620), (10, 20119696), (16, 12574810), (20, 10059848), (32, 6287405), (40, 5029924), (71, 2833760), (80, 2514962), (89, 2260640), (142, 1416880), (160, 1257481), (178, 1130320), (199, 1011040), (284, 708440), (355, 566752), (356, 565160), (398, 505520), (445, 452128), (568, 354220), (710, 283376), (712, 282580), (796, 252760), (890, 226064), (995, 202208), (1136, 177110), (1420, 141688), (1424, 141290), (1592, 126380), (1780, 113032), (1990, 101104), (2272, 88555), (2840, 70844), (2848, 70645), (3184, 63190), (3560, 56516), (3980, 50552), (5680, 35422), (6319, 31840), (6368, 31595), (7120, 28258), (7960, 25276), (11360, 17711), (12638, 15920), (14129, 14240)]