231812420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1723}}^1$

素因数の和:1801

約数の個数: 72

約数和(自身を含む): 575209152

約数和(自身を除く): 343396732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1723, 1922, 2170, 3446, 3844, 4340, 4805, 6727, 6892, 8615, 9610, 12061, 13454, 17230, 19220, 24122, 26908, 33635, 34460, 48244, 53413, 60305, 67270, 106826, 120610, 134540, 213652, 241220, 267065, 373891, 534130, 747782, 1068260, 1495564, 1655803, 1869455, 3311606, 3738910, 6623212, 7477820, 8279015, 11590621, 16558030, 23181242, 33116060, 46362484, 57953105, 115906210, 231812420]

約数ペア:

[(1, 231812420), (2, 115906210), (4, 57953105), (5, 46362484), (7, 33116060), (10, 23181242), (14, 16558030), (20, 11590621), (28, 8279015), (31, 7477820), (35, 6623212), (62, 3738910), (70, 3311606), (124, 1869455), (140, 1655803), (155, 1495564), (217, 1068260), (310, 747782), (434, 534130), (620, 373891), (868, 267065), (961, 241220), (1085, 213652), (1723, 134540), (1922, 120610), (2170, 106826), (3446, 67270), (3844, 60305), (4340, 53413), (4805, 48244), (6727, 34460), (6892, 33635), (8615, 26908), (9610, 24122), (12061, 19220), (13454, 17230)]