6945220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 15216768

約数和(自身を除く): 8271548

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 73, 134, 142, 146, 268, 284, 292, 335, 355, 365, 670, 710, 730, 1340, 1420, 1460, 4757, 4891, 5183, 9514, 9782, 10366, 19028, 19564, 20732, 23785, 24455, 25915, 47570, 48910, 51830, 95140, 97820, 103660, 347261, 694522, 1389044, 1736305, 3472610, 6945220]

約数ペア:

[(1, 6945220), (2, 3472610), (4, 1736305), (5, 1389044), (10, 694522), (20, 347261), (67, 103660), (71, 97820), (73, 95140), (134, 51830), (142, 48910), (146, 47570), (268, 25915), (284, 24455), (292, 23785), (335, 20732), (355, 19564), (365, 19028), (670, 10366), (710, 9782), (730, 9514), (1340, 5183), (1420, 4891), (1460, 4757)]