3129940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 7366464

約数和(自身を除く): 4236524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 347, 410, 451, 694, 820, 902, 1388, 1735, 1804, 2255, 3470, 3817, 4510, 6940, 7634, 9020, 14227, 15268, 19085, 28454, 38170, 56908, 71135, 76340, 142270, 156497, 284540, 312994, 625988, 782485, 1564970, 3129940]

約数ペア:

[(1, 3129940), (2, 1564970), (4, 782485), (5, 625988), (10, 312994), (11, 284540), (20, 156497), (22, 142270), (41, 76340), (44, 71135), (55, 56908), (82, 38170), (110, 28454), (164, 19085), (205, 15268), (220, 14227), (347, 9020), (410, 7634), (451, 6940), (694, 4510), (820, 3817), (902, 3470), (1388, 2255), (1735, 1804)]