397837120

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 112

約数和(自身を含む): 977950800

約数和(自身を除く): 580113680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 89, 122, 160, 178, 229, 244, 305, 320, 356, 445, 458, 488, 610, 712, 890, 916, 976, 1145, 1220, 1424, 1780, 1832, 1952, 2290, 2440, 2848, 3560, 3664, 3904, 4580, 4880, 5429, 5696, 7120, 7328, 9160, 9760, 10858, 13969, 14240, 14656, 18320, 19520, 20381, 21716, 27145, 27938, 28480, 36640, 40762, 43432, 54290, 55876, 69845, 73280, 81524, 86864, 101905, 108580, 111752, 139690, 163048, 173728, 203810, 217160, 223504, 279380, 326096, 347456, 407620, 434320, 447008, 558760, 652192, 815240, 868640, 894016, 1117520, 1243241, 1304384, 1630480, 1737280, 2235040, 2486482, 3260960, 4470080, 4972964, 6216205, 6521920, 9945928, 12432410, 19891856, 24864820, 39783712, 49729640, 79567424, 99459280, 198918560, 397837120]

約数ペア:

[(1, 397837120), (2, 198918560), (4, 99459280), (5, 79567424), (8, 49729640), (10, 39783712), (16, 24864820), (20, 19891856), (32, 12432410), (40, 9945928), (61, 6521920), (64, 6216205), (80, 4972964), (89, 4470080), (122, 3260960), (160, 2486482), (178, 2235040), (229, 1737280), (244, 1630480), (305, 1304384), (320, 1243241), (356, 1117520), (445, 894016), (458, 868640), (488, 815240), (610, 652192), (712, 558760), (890, 447008), (916, 434320), (976, 407620), (1145, 347456), (1220, 326096), (1424, 279380), (1780, 223504), (1832, 217160), (1952, 203810), (2290, 173728), (2440, 163048), (2848, 139690), (3560, 111752), (3664, 108580), (3904, 101905), (4580, 86864), (4880, 81524), (5429, 73280), (5696, 69845), (7120, 55876), (7328, 54290), (9160, 43432), (9760, 40762), (10858, 36640), (13969, 28480), (14240, 27938), (14656, 27145), (18320, 21716), (19520, 20381)]