1878482800

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:707

約数の個数: 120

約数和(自身を含む): 4624516512

約数和(自身を除く): 2746033712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 167, 200, 244, 305, 334, 400, 461, 488, 610, 668, 835, 922, 976, 1220, 1336, 1525, 1670, 1844, 2305, 2440, 2672, 3050, 3340, 3688, 4175, 4610, 4880, 6100, 6680, 7376, 8350, 9220, 10187, 11525, 12200, 13360, 16700, 18440, 20374, 23050, 24400, 28121, 33400, 36880, 40748, 46100, 50935, 56242, 66800, 76987, 81496, 92200, 101870, 112484, 140605, 153974, 162992, 184400, 203740, 224968, 254675, 281210, 307948, 384935, 407480, 449936, 509350, 562420, 615896, 703025, 769870, 814960, 1018700, 1124840, 1231792, 1406050, 1539740, 1924675, 2037400, 2249680, 2812100, 3079480, 3849350, 4074800, 4696207, 5624200, 6158960, 7698700, 9392414, 11248400, 15397400, 18784828, 23481035, 30794800, 37569656, 46962070, 75139312, 93924140, 117405175, 187848280, 234810350, 375696560, 469620700, 939241400, 1878482800]

約数ペア:

[(1, 1878482800), (2, 939241400), (4, 469620700), (5, 375696560), (8, 234810350), (10, 187848280), (16, 117405175), (20, 93924140), (25, 75139312), (40, 46962070), (50, 37569656), (61, 30794800), (80, 23481035), (100, 18784828), (122, 15397400), (167, 11248400), (200, 9392414), (244, 7698700), (305, 6158960), (334, 5624200), (400, 4696207), (461, 4074800), (488, 3849350), (610, 3079480), (668, 2812100), (835, 2249680), (922, 2037400), (976, 1924675), (1220, 1539740), (1336, 1406050), (1525, 1231792), (1670, 1124840), (1844, 1018700), (2305, 814960), (2440, 769870), (2672, 703025), (3050, 615896), (3340, 562420), (3688, 509350), (4175, 449936), (4610, 407480), (4880, 384935), (6100, 307948), (6680, 281210), (7376, 254675), (8350, 224968), (9220, 203740), (10187, 184400), (11525, 162992), (12200, 153974), (13360, 140605), (16700, 112484), (18440, 101870), (20374, 92200), (23050, 81496), (24400, 76987), (28121, 66800), (33400, 56242), (36880, 50935), (40748, 46100)]