842860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 1953504

約数和(自身を除く): 1110644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 67, 68, 74, 85, 134, 148, 170, 185, 268, 335, 340, 370, 629, 670, 740, 1139, 1258, 1340, 2278, 2479, 2516, 3145, 4556, 4958, 5695, 6290, 9916, 11390, 12395, 12580, 22780, 24790, 42143, 49580, 84286, 168572, 210715, 421430, 842860]

約数ペア:

[(1, 842860), (2, 421430), (4, 210715), (5, 168572), (10, 84286), (17, 49580), (20, 42143), (34, 24790), (37, 22780), (67, 12580), (68, 12395), (74, 11390), (85, 9916), (134, 6290), (148, 5695), (170, 4958), (185, 4556), (268, 3145), (335, 2516), (340, 2479), (370, 2278), (629, 1340), (670, 1258), (740, 1139)]