74984740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 161973504

約数和(自身を除く): 86988764

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 241, 331, 470, 482, 662, 940, 964, 1205, 1324, 1655, 2410, 3310, 4820, 6620, 11327, 15557, 22654, 31114, 45308, 56635, 62228, 77785, 79771, 113270, 155570, 159542, 226540, 311140, 319084, 398855, 797710, 1595420, 3749237, 7498474, 14996948, 18746185, 37492370, 74984740]

約数ペア:

[(1, 74984740), (2, 37492370), (4, 18746185), (5, 14996948), (10, 7498474), (20, 3749237), (47, 1595420), (94, 797710), (188, 398855), (235, 319084), (241, 311140), (331, 226540), (470, 159542), (482, 155570), (662, 113270), (940, 79771), (964, 77785), (1205, 62228), (1324, 56635), (1655, 45308), (2410, 31114), (3310, 22654), (4820, 15557), (6620, 11327)]