389607400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21407}}^1$

素因数の和:21443

約数の個数: 96

約数和(自身を含む): 1114928640

約数和(自身を除く): 725321240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1300, 1400, 1820, 2275, 2600, 3640, 4550, 9100, 18200, 21407, 42814, 85628, 107035, 149849, 171256, 214070, 278291, 299698, 428140, 535175, 556582, 599396, 749245, 856280, 1070350, 1113164, 1198792, 1391455, 1498490, 1948037, 2140700, 2226328, 2782910, 2996980, 3746225, 3896074, 4281400, 5565820, 5993960, 6957275, 7492450, 7792148, 9740185, 11131640, 13914550, 14984900, 15584296, 19480370, 27829100, 29969800, 38960740, 48700925, 55658200, 77921480, 97401850, 194803700, 389607400]

約数ペア:

[(1, 389607400), (2, 194803700), (4, 97401850), (5, 77921480), (7, 55658200), (8, 48700925), (10, 38960740), (13, 29969800), (14, 27829100), (20, 19480370), (25, 15584296), (26, 14984900), (28, 13914550), (35, 11131640), (40, 9740185), (50, 7792148), (52, 7492450), (56, 6957275), (65, 5993960), (70, 5565820), (91, 4281400), (100, 3896074), (104, 3746225), (130, 2996980), (140, 2782910), (175, 2226328), (182, 2140700), (200, 1948037), (260, 1498490), (280, 1391455), (325, 1198792), (350, 1113164), (364, 1070350), (455, 856280), (520, 749245), (650, 599396), (700, 556582), (728, 535175), (910, 428140), (1300, 299698), (1400, 278291), (1820, 214070), (2275, 171256), (2600, 149849), (3640, 107035), (4550, 85628), (9100, 42814), (18200, 21407)]