402019970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{26293}}^1$

素因数の和:26450

約数の個数: 32

約数和(自身を含む): 795130560

約数和(自身を除く): 393110590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 26293, 52586, 131465, 262930, 289223, 578446, 1446115, 2892230, 3654727, 7309454, 18273635, 36547270, 40201997, 80403994, 201009985, 402019970]

約数ペア:

[(1, 402019970), (2, 201009985), (5, 80403994), (10, 40201997), (11, 36547270), (22, 18273635), (55, 7309454), (110, 3654727), (139, 2892230), (278, 1446115), (695, 578446), (1390, 289223), (1529, 262930), (3058, 131465), (7645, 52586), (15290, 26293)]