78758959100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1\times {\mathrm{29027}}^1$

素因数の和:29715

約数の個数: 72

約数和(自身を含む): 175164705408

約数和(自身を除く): 96405746308

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 631, 860, 1075, 1262, 2150, 2524, 3155, 4300, 6310, 12620, 15775, 27133, 29027, 31550, 54266, 58054, 63100, 108532, 116108, 135665, 145135, 271330, 290270, 542660, 580540, 678325, 725675, 1248161, 1356650, 1451350, 2496322, 2713300, 2902700, 4992644, 6240805, 12481610, 18316037, 24963220, 31204025, 36632074, 62408050, 73264148, 91580185, 124816100, 183160370, 366320740, 457900925, 787589591, 915801850, 1575179182, 1831603700, 3150358364, 3937947955, 7875895910, 15751791820, 19689739775, 39379479550, 78758959100]

約数ペア:

[(1, 78758959100), (2, 39379479550), (4, 19689739775), (5, 15751791820), (10, 7875895910), (20, 3937947955), (25, 3150358364), (43, 1831603700), (50, 1575179182), (86, 915801850), (100, 787589591), (172, 457900925), (215, 366320740), (430, 183160370), (631, 124816100), (860, 91580185), (1075, 73264148), (1262, 62408050), (2150, 36632074), (2524, 31204025), (3155, 24963220), (4300, 18316037), (6310, 12481610), (12620, 6240805), (15775, 4992644), (27133, 2902700), (29027, 2713300), (31550, 2496322), (54266, 1451350), (58054, 1356650), (63100, 1248161), (108532, 725675), (116108, 678325), (135665, 580540), (145135, 542660), (271330, 290270)]