213489640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 598752000

約数和(自身を除く): 385262360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 260, 280, 356, 364, 445, 455, 520, 623, 659, 712, 728, 890, 910, 1157, 1246, 1318, 1780, 1820, 2314, 2492, 2636, 3115, 3295, 3560, 3640, 4613, 4628, 4984, 5272, 5785, 6230, 6590, 8099, 8567, 9226, 9256, 11570, 12460, 13180, 16198, 17134, 18452, 23065, 23140, 24920, 26360, 32396, 34268, 36904, 40495, 42835, 46130, 46280, 58651, 59969, 64792, 68536, 80990, 85670, 92260, 117302, 119938, 161980, 171340, 184520, 234604, 239876, 293255, 299845, 323960, 342680, 410557, 469208, 479752, 586510, 599690, 762463, 821114, 1173020, 1199380, 1524926, 1642228, 2052785, 2346040, 2398760, 3049852, 3284456, 3812315, 4105570, 5337241, 6099704, 7624630, 8211140, 10674482, 15249260, 16422280, 21348964, 26686205, 30498520, 42697928, 53372410, 106744820, 213489640]

約数ペア:

[(1, 213489640), (2, 106744820), (4, 53372410), (5, 42697928), (7, 30498520), (8, 26686205), (10, 21348964), (13, 16422280), (14, 15249260), (20, 10674482), (26, 8211140), (28, 7624630), (35, 6099704), (40, 5337241), (52, 4105570), (56, 3812315), (65, 3284456), (70, 3049852), (89, 2398760), (91, 2346040), (104, 2052785), (130, 1642228), (140, 1524926), (178, 1199380), (182, 1173020), (260, 821114), (280, 762463), (356, 599690), (364, 586510), (445, 479752), (455, 469208), (520, 410557), (623, 342680), (659, 323960), (712, 299845), (728, 293255), (890, 239876), (910, 234604), (1157, 184520), (1246, 171340), (1318, 161980), (1780, 119938), (1820, 117302), (2314, 92260), (2492, 85670), (2636, 80990), (3115, 68536), (3295, 64792), (3560, 59969), (3640, 58651), (4613, 46280), (4628, 46130), (4984, 42835), (5272, 40495), (5785, 36904), (6230, 34268), (6590, 32396), (8099, 26360), (8567, 24920), (9226, 23140), (9256, 23065), (11570, 18452), (12460, 17134), (13180, 16198)]