147951220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3361}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 325334016

約数和(自身を除く): 177382796

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 3361, 4402, 6722, 8804, 11005, 13444, 16805, 22010, 33610, 44020, 67220, 104191, 208382, 238631, 416764, 477262, 520955, 954524, 1041910, 1193155, 2083820, 2386310, 4772620, 7397561, 14795122, 29590244, 36987805, 73975610, 147951220]

約数ペア:

[(1, 147951220), (2, 73975610), (4, 36987805), (5, 29590244), (10, 14795122), (20, 7397561), (31, 4772620), (62, 2386310), (71, 2083820), (124, 1193155), (142, 1041910), (155, 954524), (284, 520955), (310, 477262), (355, 416764), (620, 238631), (710, 208382), (1420, 104191), (2201, 67220), (3361, 44020), (4402, 33610), (6722, 22010), (8804, 16805), (11005, 13444)]