89781020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10513}}^1$

素因数の和:10590

約数の個数: 48

約数和(自身を含む): 219027648

約数和(自身を除く): 129246628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 10513, 21026, 42052, 52565, 73591, 105130, 147182, 210260, 294364, 367955, 641293, 735910, 1282586, 1471820, 2565172, 3206465, 4489051, 6412930, 8978102, 12825860, 17956204, 22445255, 44890510, 89781020]

約数ペア:

[(1, 89781020), (2, 44890510), (4, 22445255), (5, 17956204), (7, 12825860), (10, 8978102), (14, 6412930), (20, 4489051), (28, 3206465), (35, 2565172), (61, 1471820), (70, 1282586), (122, 735910), (140, 641293), (244, 367955), (305, 294364), (427, 210260), (610, 147182), (854, 105130), (1220, 73591), (1708, 52565), (2135, 42052), (4270, 21026), (8540, 10513)]