212344420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3391}}^1$

素因数の和:3532

約数の個数: 48

約数和(自身を含む): 465002496

約数和(自身を除く): 252658076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 3391, 6262, 6782, 12524, 13564, 15655, 16955, 31310, 33910, 62620, 67820, 105121, 210242, 342491, 420484, 525605, 684982, 1051210, 1369964, 1712455, 2102420, 3424910, 6849820, 10617221, 21234442, 42468884, 53086105, 106172210, 212344420]

約数ペア:

[(1, 212344420), (2, 106172210), (4, 53086105), (5, 42468884), (10, 21234442), (20, 10617221), (31, 6849820), (62, 3424910), (101, 2102420), (124, 1712455), (155, 1369964), (202, 1051210), (310, 684982), (404, 525605), (505, 420484), (620, 342491), (1010, 210242), (2020, 105121), (3131, 67820), (3391, 62620), (6262, 33910), (6782, 31310), (12524, 16955), (13564, 15655)]