308656880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1207

約数の個数: 120

約数和(自身を含む): 847311840

約数和(自身を除く): 538654960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 980, 994, 1109, 1136, 1420, 1960, 1988, 2218, 2485, 2840, 3479, 3920, 3976, 4436, 4970, 5545, 5680, 6958, 7763, 7952, 8872, 9940, 11090, 13916, 15526, 17395, 17744, 19880, 22180, 27832, 31052, 34790, 38815, 39760, 44360, 54341, 55664, 62104, 69580, 77630, 78739, 88720, 108682, 124208, 139160, 155260, 157478, 217364, 271705, 278320, 310520, 314956, 393695, 434728, 543410, 551173, 621040, 629912, 787390, 869456, 1086820, 1102346, 1259824, 1574780, 2173640, 2204692, 2755865, 3149560, 3858211, 4347280, 4409384, 5511730, 6299120, 7716422, 8818768, 11023460, 15432844, 19291055, 22046920, 30865688, 38582110, 44093840, 61731376, 77164220, 154328440, 308656880]

約数ペア:

[(1, 308656880), (2, 154328440), (4, 77164220), (5, 61731376), (7, 44093840), (8, 38582110), (10, 30865688), (14, 22046920), (16, 19291055), (20, 15432844), (28, 11023460), (35, 8818768), (40, 7716422), (49, 6299120), (56, 5511730), (70, 4409384), (71, 4347280), (80, 3858211), (98, 3149560), (112, 2755865), (140, 2204692), (142, 2173640), (196, 1574780), (245, 1259824), (280, 1102346), (284, 1086820), (355, 869456), (392, 787390), (490, 629912), (497, 621040), (560, 551173), (568, 543410), (710, 434728), (784, 393695), (980, 314956), (994, 310520), (1109, 278320), (1136, 271705), (1420, 217364), (1960, 157478), (1988, 155260), (2218, 139160), (2485, 124208), (2840, 108682), (3479, 88720), (3920, 78739), (3976, 77630), (4436, 69580), (4970, 62104), (5545, 55664), (5680, 54341), (6958, 44360), (7763, 39760), (7952, 38815), (8872, 34790), (9940, 31052), (11090, 27832), (13916, 22180), (15526, 19880), (17395, 17744)]