1943996980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{3559}}^1$

素因数の和:4480

約数の個数: 48

約数和(自身を含む): 4220052480

約数和(自身を除く): 2276055500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 881, 1762, 3524, 3559, 4405, 7118, 8810, 14236, 17620, 17795, 27311, 35590, 54622, 71180, 109244, 110329, 136555, 220658, 273110, 441316, 546220, 551645, 1103290, 2206580, 3135479, 6270958, 12541916, 15677395, 31354790, 62709580, 97199849, 194399698, 388799396, 485999245, 971998490, 1943996980]

約数ペア:

[(1, 1943996980), (2, 971998490), (4, 485999245), (5, 388799396), (10, 194399698), (20, 97199849), (31, 62709580), (62, 31354790), (124, 15677395), (155, 12541916), (310, 6270958), (620, 3135479), (881, 2206580), (1762, 1103290), (3524, 551645), (3559, 546220), (4405, 441316), (7118, 273110), (8810, 220658), (14236, 136555), (17620, 110329), (17795, 109244), (27311, 71180), (35590, 54622)]