917961130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 1726272000

約数和(自身を除く): 808310870

約数列:

[1, 2, 5, 10, 71, 73, 89, 142, 146, 178, 199, 355, 365, 398, 445, 710, 730, 890, 995, 1990, 5183, 6319, 6497, 10366, 12638, 12994, 14129, 14527, 17711, 25915, 28258, 29054, 31595, 32485, 35422, 51830, 63190, 64970, 70645, 72635, 88555, 141290, 145270, 177110, 461287, 922574, 1031417, 1257481, 1292903, 2062834, 2306435, 2514962, 2585806, 4612870, 5157085, 6287405, 6464515, 10314170, 12574810, 12929030, 91796113, 183592226, 458980565, 917961130]

約数ペア:

[(1, 917961130), (2, 458980565), (5, 183592226), (10, 91796113), (71, 12929030), (73, 12574810), (89, 10314170), (142, 6464515), (146, 6287405), (178, 5157085), (199, 4612870), (355, 2585806), (365, 2514962), (398, 2306435), (445, 2062834), (710, 1292903), (730, 1257481), (890, 1031417), (995, 922574), (1990, 461287), (5183, 177110), (6319, 145270), (6497, 141290), (10366, 88555), (12638, 72635), (12994, 70645), (14129, 64970), (14527, 63190), (17711, 51830), (25915, 35422), (28258, 32485), (29054, 31595)]