1640597750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1911

約数の個数: 128

約数和(自身を含む): 3736212480

約数和(自身を除く): 2095614730

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 25, 34, 38, 50, 55, 85, 95, 110, 125, 170, 187, 190, 209, 250, 275, 323, 374, 418, 425, 475, 550, 646, 850, 935, 950, 1045, 1375, 1615, 1847, 1870, 2090, 2125, 2375, 2750, 3230, 3553, 3694, 4250, 4675, 4750, 5225, 7106, 8075, 9235, 9350, 10450, 16150, 17765, 18470, 20317, 23375, 26125, 31399, 35093, 35530, 40375, 40634, 46175, 46750, 52250, 62798, 70186, 80750, 88825, 92350, 101585, 156995, 175465, 177650, 203170, 230875, 313990, 345389, 350930, 386023, 444125, 461750, 507925, 596581, 690778, 772046, 784975, 877325, 888250, 1015850, 1193162, 1569950, 1726945, 1754650, 1930115, 2539625, 2982905, 3453890, 3860230, 3924875, 4386625, 5079250, 5965810, 6562391, 7849750, 8634725, 8773250, 9650575, 13124782, 14914525, 17269450, 19301150, 29829050, 32811955, 43173625, 48252875, 65623910, 74572625, 86347250, 96505750, 149145250, 164059775, 328119550, 820298875, 1640597750]

約数ペア:

[(1, 1640597750), (2, 820298875), (5, 328119550), (10, 164059775), (11, 149145250), (17, 96505750), (19, 86347250), (22, 74572625), (25, 65623910), (34, 48252875), (38, 43173625), (50, 32811955), (55, 29829050), (85, 19301150), (95, 17269450), (110, 14914525), (125, 13124782), (170, 9650575), (187, 8773250), (190, 8634725), (209, 7849750), (250, 6562391), (275, 5965810), (323, 5079250), (374, 4386625), (418, 3924875), (425, 3860230), (475, 3453890), (550, 2982905), (646, 2539625), (850, 1930115), (935, 1754650), (950, 1726945), (1045, 1569950), (1375, 1193162), (1615, 1015850), (1847, 888250), (1870, 877325), (2090, 784975), (2125, 772046), (2375, 690778), (2750, 596581), (3230, 507925), (3553, 461750), (3694, 444125), (4250, 386023), (4675, 350930), (4750, 345389), (5225, 313990), (7106, 230875), (8075, 203170), (9235, 177650), (9350, 175465), (10450, 156995), (16150, 101585), (17765, 92350), (18470, 88825), (20317, 80750), (23375, 70186), (26125, 62798), (31399, 52250), (35093, 46750), (35530, 46175), (40375, 40634)]