971112040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{6421}}^1$

素因数の和:6650

約数の個数: 64

約数和(自身を含む): 2311920000

約数和(自身を除く): 1340807960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 760, 796, 995, 1592, 1990, 3781, 3980, 6421, 7562, 7960, 12842, 15124, 18905, 25684, 30248, 32105, 37810, 51368, 64210, 75620, 121999, 128420, 151240, 243998, 256840, 487996, 609995, 975992, 1219990, 1277779, 2439980, 2555558, 4879960, 5111116, 6388895, 10222232, 12777790, 24277801, 25555580, 48555602, 51111160, 97111204, 121389005, 194222408, 242778010, 485556020, 971112040]

約数ペア:

[(1, 971112040), (2, 485556020), (4, 242778010), (5, 194222408), (8, 121389005), (10, 97111204), (19, 51111160), (20, 48555602), (38, 25555580), (40, 24277801), (76, 12777790), (95, 10222232), (152, 6388895), (190, 5111116), (199, 4879960), (380, 2555558), (398, 2439980), (760, 1277779), (796, 1219990), (995, 975992), (1592, 609995), (1990, 487996), (3781, 256840), (3980, 243998), (6421, 151240), (7562, 128420), (7960, 121999), (12842, 75620), (15124, 64210), (18905, 51368), (25684, 37810), (30248, 32105)]