227776220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1693}}^1$

素因数の和:1771

約数の個数: 72

約数和(自身を含む): 565199712

約数和(自身を除く): 337423492

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, 1693, 1922, 2170, 3386, 3844, 4340, 4805, 6727, 6772, 8465, 9610, 11851, 13454, 16930, 19220, 23702, 26908, 33635, 33860, 47404, 52483, 59255, 67270, 104966, 118510, 134540, 209932, 237020, 262415, 367381, 524830, 734762, 1049660, 1469524, 1626973, 1836905, 3253946, 3673810, 6507892, 7347620, 8134865, 11388811, 16269730, 22777622, 32539460, 45555244, 56944055, 113888110, 227776220]

約数ペア:

[(1, 227776220), (2, 113888110), (4, 56944055), (5, 45555244), (7, 32539460), (10, 22777622), (14, 16269730), (20, 11388811), (28, 8134865), (31, 7347620), (35, 6507892), (62, 3673810), (70, 3253946), (124, 1836905), (140, 1626973), (155, 1469524), (217, 1049660), (310, 734762), (434, 524830), (620, 367381), (868, 262415), (961, 237020), (1085, 209932), (1693, 134540), (1922, 118510), (2170, 104966), (3386, 67270), (3844, 59255), (4340, 52483), (4805, 47404), (6727, 33860), (6772, 33635), (8465, 26908), (9610, 23702), (11851, 19220), (13454, 16930)]