201386420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1187}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 449064000

約数和(自身を除く): 247677580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 499, 998, 1187, 1996, 2374, 2495, 4748, 4990, 5935, 8483, 9980, 11870, 16966, 20179, 23740, 33932, 40358, 42415, 80716, 84830, 100895, 169660, 201790, 403580, 592313, 1184626, 2369252, 2961565, 5923130, 10069321, 11846260, 20138642, 40277284, 50346605, 100693210, 201386420]

約数ペア:

[(1, 201386420), (2, 100693210), (4, 50346605), (5, 40277284), (10, 20138642), (17, 11846260), (20, 10069321), (34, 5923130), (68, 2961565), (85, 2369252), (170, 1184626), (340, 592313), (499, 403580), (998, 201790), (1187, 169660), (1996, 100895), (2374, 84830), (2495, 80716), (4748, 42415), (4990, 40358), (5935, 33932), (8483, 23740), (9980, 20179), (11870, 16966)]