71985410

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 156211200

約数和(自身を除く): 84225790

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 343, 434, 490, 677, 686, 1085, 1354, 1519, 1715, 2170, 3038, 3385, 3430, 4739, 6770, 7595, 9478, 10633, 15190, 20987, 21266, 23695, 33173, 41974, 47390, 53165, 66346, 104935, 106330, 146909, 165865, 209870, 232211, 293818, 331730, 464422, 734545, 1028363, 1161055, 1469090, 2056726, 2322110, 5141815, 7198541, 10283630, 14397082, 35992705, 71985410]

約数ペア:

[(1, 71985410), (2, 35992705), (5, 14397082), (7, 10283630), (10, 7198541), (14, 5141815), (31, 2322110), (35, 2056726), (49, 1469090), (62, 1161055), (70, 1028363), (98, 734545), (155, 464422), (217, 331730), (245, 293818), (310, 232211), (343, 209870), (434, 165865), (490, 146909), (677, 106330), (686, 104935), (1085, 66346), (1354, 53165), (1519, 47390), (1715, 41974), (2170, 33173), (3038, 23695), (3385, 21266), (3430, 20987), (4739, 15190), (6770, 10633), (7595, 9478)]