291250430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{7703}}^1$

素因数の和:7928

約数の個数: 32

約数和(自身を含む): 554688000

約数和(自身を除く): 263437570

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 3781, 7562, 7703, 15406, 18905, 37810, 38515, 77030, 146357, 292714, 731785, 1463570, 1532897, 3065794, 7664485, 15328970, 29125043, 58250086, 145625215, 291250430]

約数ペア:

[(1, 291250430), (2, 145625215), (5, 58250086), (10, 29125043), (19, 15328970), (38, 7664485), (95, 3065794), (190, 1532897), (199, 1463570), (398, 731785), (995, 292714), (1990, 146357), (3781, 77030), (7562, 38515), (7703, 37810), (15406, 18905)]