31474940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{587}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 75866112

約数和(自身を除く): 44391172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 587, 766, 1174, 1532, 1915, 2348, 2681, 2935, 3830, 4109, 5362, 5870, 7660, 8218, 10724, 11740, 13405, 16436, 20545, 26810, 41090, 53620, 82180, 224821, 449642, 899284, 1124105, 1573747, 2248210, 3147494, 4496420, 6294988, 7868735, 15737470, 31474940]

約数ペア:

[(1, 31474940), (2, 15737470), (4, 7868735), (5, 6294988), (7, 4496420), (10, 3147494), (14, 2248210), (20, 1573747), (28, 1124105), (35, 899284), (70, 449642), (140, 224821), (383, 82180), (587, 53620), (766, 41090), (1174, 26810), (1532, 20545), (1915, 16436), (2348, 13405), (2681, 11740), (2935, 10724), (3830, 8218), (4109, 7660), (5362, 5870)]