400123150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 892800000

約数和(自身を除く): 492676850

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 79, 145, 158, 175, 203, 290, 350, 395, 406, 499, 553, 725, 790, 998, 1015, 1106, 1450, 1975, 2030, 2291, 2495, 2765, 3493, 3950, 4582, 4990, 5075, 5530, 6986, 10150, 11455, 12475, 13825, 14471, 16037, 17465, 22910, 24950, 27650, 28942, 32074, 34930, 39421, 57275, 72355, 78842, 80185, 87325, 101297, 114550, 144710, 160370, 174650, 197105, 202594, 275947, 361775, 394210, 400925, 506485, 551894, 723550, 801850, 985525, 1012970, 1143209, 1379735, 1971050, 2286418, 2532425, 2759470, 5064850, 5716045, 6898675, 8002463, 11432090, 13797350, 16004926, 28580225, 40012315, 57160450, 80024630, 200061575, 400123150]

約数ペア:

[(1, 400123150), (2, 200061575), (5, 80024630), (7, 57160450), (10, 40012315), (14, 28580225), (25, 16004926), (29, 13797350), (35, 11432090), (50, 8002463), (58, 6898675), (70, 5716045), (79, 5064850), (145, 2759470), (158, 2532425), (175, 2286418), (203, 1971050), (290, 1379735), (350, 1143209), (395, 1012970), (406, 985525), (499, 801850), (553, 723550), (725, 551894), (790, 506485), (998, 400925), (1015, 394210), (1106, 361775), (1450, 275947), (1975, 202594), (2030, 197105), (2291, 174650), (2495, 160370), (2765, 144710), (3493, 114550), (3950, 101297), (4582, 87325), (4990, 80185), (5075, 78842), (5530, 72355), (6986, 57275), (10150, 39421), (11455, 34930), (12475, 32074), (13825, 28942), (14471, 27650), (16037, 24950), (17465, 22910)]