856512400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:737

約数の個数: 120

約数和(自身を含む): 2179548000

約数和(自身を除く): 1323035600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 251, 304, 380, 400, 449, 475, 502, 760, 898, 950, 1004, 1255, 1520, 1796, 1900, 2008, 2245, 2510, 3592, 3800, 4016, 4490, 4769, 5020, 6275, 7184, 7600, 8531, 8980, 9538, 10040, 11225, 12550, 17062, 17960, 19076, 20080, 22450, 23845, 25100, 34124, 35920, 38152, 42655, 44900, 47690, 50200, 68248, 76304, 85310, 89800, 95380, 100400, 112699, 119225, 136496, 170620, 179600, 190760, 213275, 225398, 238450, 341240, 381520, 426550, 450796, 476900, 563495, 682480, 853100, 901592, 953800, 1126990, 1706200, 1803184, 1907600, 2141281, 2253980, 2817475, 3412400, 4282562, 4507960, 5634950, 8565124, 9015920, 10706405, 11269900, 17130248, 21412810, 22539800, 34260496, 42825620, 45079600, 53532025, 85651240, 107064050, 171302480, 214128100, 428256200, 856512400]

約数ペア:

[(1, 856512400), (2, 428256200), (4, 214128100), (5, 171302480), (8, 107064050), (10, 85651240), (16, 53532025), (19, 45079600), (20, 42825620), (25, 34260496), (38, 22539800), (40, 21412810), (50, 17130248), (76, 11269900), (80, 10706405), (95, 9015920), (100, 8565124), (152, 5634950), (190, 4507960), (200, 4282562), (251, 3412400), (304, 2817475), (380, 2253980), (400, 2141281), (449, 1907600), (475, 1803184), (502, 1706200), (760, 1126990), (898, 953800), (950, 901592), (1004, 853100), (1255, 682480), (1520, 563495), (1796, 476900), (1900, 450796), (2008, 426550), (2245, 381520), (2510, 341240), (3592, 238450), (3800, 225398), (4016, 213275), (4490, 190760), (4769, 179600), (5020, 170620), (6275, 136496), (7184, 119225), (7600, 112699), (8531, 100400), (8980, 95380), (9538, 89800), (10040, 85310), (11225, 76304), (12550, 68248), (17062, 50200), (17960, 47690), (19076, 44900), (20080, 42655), (22450, 38152), (23845, 35920), (25100, 34124)]