31112690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 68256000

約数和(自身を除く): 37143310

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 149, 157, 190, 266, 298, 314, 665, 745, 785, 1043, 1099, 1330, 1490, 1570, 2086, 2198, 2831, 2983, 5215, 5495, 5662, 5966, 10430, 10990, 14155, 14915, 19817, 20881, 23393, 28310, 29830, 39634, 41762, 46786, 99085, 104405, 116965, 163751, 198170, 208810, 233930, 327502, 444467, 818755, 888934, 1637510, 2222335, 3111269, 4444670, 6222538, 15556345, 31112690]

約数ペア:

[(1, 31112690), (2, 15556345), (5, 6222538), (7, 4444670), (10, 3111269), (14, 2222335), (19, 1637510), (35, 888934), (38, 818755), (70, 444467), (95, 327502), (133, 233930), (149, 208810), (157, 198170), (190, 163751), (266, 116965), (298, 104405), (314, 99085), (665, 46786), (745, 41762), (785, 39634), (1043, 29830), (1099, 28310), (1330, 23393), (1490, 20881), (1570, 19817), (2086, 14915), (2198, 14155), (2831, 10990), (2983, 10430), (5215, 5966), (5495, 5662)]