85368890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 157021200

約数和(自身を除く): 71652310

約数列:

[1, 2, 5, 10, 61, 122, 305, 349, 401, 610, 698, 802, 1745, 2005, 3490, 4010, 21289, 24461, 42578, 48922, 106445, 122305, 139949, 212890, 244610, 279898, 699745, 1399490, 8536889, 17073778, 42684445, 85368890]

約数ペア:

[(1, 85368890), (2, 42684445), (5, 17073778), (10, 8536889), (61, 1399490), (122, 699745), (305, 279898), (349, 244610), (401, 212890), (610, 139949), (698, 122305), (802, 106445), (1745, 48922), (2005, 42578), (3490, 24461), (4010, 21289)]