1388577530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^2\times {\mathrm{367}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 2576841984

約数和(自身を除く): 1188264454

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 367, 710, 730, 734, 1835, 3670, 5183, 5329, 10366, 10658, 25915, 26057, 26645, 26791, 51830, 52114, 53290, 53582, 130285, 133955, 260570, 267910, 378359, 756718, 1891795, 1902161, 1955743, 3783590, 3804322, 3911486, 9510805, 9778715, 19021610, 19557430, 138857753, 277715506, 694288765, 1388577530]

約数ペア:

[(1, 1388577530), (2, 694288765), (5, 277715506), (10, 138857753), (71, 19557430), (73, 19021610), (142, 9778715), (146, 9510805), (355, 3911486), (365, 3804322), (367, 3783590), (710, 1955743), (730, 1902161), (734, 1891795), (1835, 756718), (3670, 378359), (5183, 267910), (5329, 260570), (10366, 133955), (10658, 130285), (25915, 53582), (26057, 53290), (26645, 52114), (26791, 51830)]