311919190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 626434560

約数和(自身を除く): 314515370

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 151, 178, 211, 302, 422, 445, 755, 890, 979, 1055, 1510, 1661, 1958, 2110, 2321, 3322, 4642, 4895, 8305, 9790, 11605, 13439, 16610, 18779, 23210, 26878, 31861, 37558, 63722, 67195, 93895, 134390, 147829, 159305, 187790, 206569, 295658, 318610, 350471, 413138, 700942, 739145, 1032845, 1478290, 1752355, 2065690, 2835629, 3504710, 5671258, 14178145, 28356290, 31191919, 62383838, 155959595, 311919190]

約数ペア:

[(1, 311919190), (2, 155959595), (5, 62383838), (10, 31191919), (11, 28356290), (22, 14178145), (55, 5671258), (89, 3504710), (110, 2835629), (151, 2065690), (178, 1752355), (211, 1478290), (302, 1032845), (422, 739145), (445, 700942), (755, 413138), (890, 350471), (979, 318610), (1055, 295658), (1510, 206569), (1661, 187790), (1958, 159305), (2110, 147829), (2321, 134390), (3322, 93895), (4642, 67195), (4895, 63722), (8305, 37558), (9790, 31861), (11605, 26878), (13439, 23210), (16610, 18779)]