128857430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4065

約数の個数: 48

約数和(自身を含む): 264442320

約数和(自身を除く): 135584890

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 845, 1235, 1690, 2470, 3211, 4013, 6422, 8026, 16055, 20065, 32110, 40130, 52169, 76247, 104338, 152494, 260845, 381235, 521690, 678197, 762470, 991211, 1356394, 1982422, 3390985, 4956055, 6781970, 9912110, 12885743, 25771486, 64428715, 128857430]

約数ペア:

[(1, 128857430), (2, 64428715), (5, 25771486), (10, 12885743), (13, 9912110), (19, 6781970), (26, 4956055), (38, 3390985), (65, 1982422), (95, 1356394), (130, 991211), (169, 762470), (190, 678197), (247, 521690), (338, 381235), (494, 260845), (845, 152494), (1235, 104338), (1690, 76247), (2470, 52169), (3211, 40130), (4013, 32110), (6422, 20065), (8026, 16055)]