68471620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 169064280

約数和(自身を除く): 100592660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 641, 763, 980, 1090, 1282, 1526, 2180, 2564, 3052, 3205, 3815, 4487, 5341, 6410, 7630, 8974, 10682, 12820, 15260, 17948, 21364, 22435, 26705, 31409, 44870, 53410, 62818, 69869, 89740, 106820, 125636, 139738, 157045, 279476, 314090, 349345, 489083, 628180, 698690, 978166, 1397380, 1956332, 2445415, 3423581, 4890830, 6847162, 9781660, 13694324, 17117905, 34235810, 68471620]

約数ペア:

[(1, 68471620), (2, 34235810), (4, 17117905), (5, 13694324), (7, 9781660), (10, 6847162), (14, 4890830), (20, 3423581), (28, 2445415), (35, 1956332), (49, 1397380), (70, 978166), (98, 698690), (109, 628180), (140, 489083), (196, 349345), (218, 314090), (245, 279476), (436, 157045), (490, 139738), (545, 125636), (641, 106820), (763, 89740), (980, 69869), (1090, 62818), (1282, 53410), (1526, 44870), (2180, 31409), (2564, 26705), (3052, 22435), (3205, 21364), (3815, 17948), (4487, 15260), (5341, 12820), (6410, 10682), (7630, 8974)]