420778876

素因数分解:

$2^2\times 7^2\times {\mathrm{727}}^1\times {\mathrm{2953}}^1$

素因数の和:3698

約数の個数: 36

約数和(自身を含む): 858054288

約数和(自身を除く): 437275412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 727, 1454, 2908, 2953, 5089, 5906, 10178, 11812, 20356, 20671, 35623, 41342, 71246, 82684, 142492, 144697, 289394, 578788, 2146831, 4293662, 8587324, 15027817, 30055634, 60111268, 105194719, 210389438, 420778876]

約数ペア:

[(1, 420778876), (2, 210389438), (4, 105194719), (7, 60111268), (14, 30055634), (28, 15027817), (49, 8587324), (98, 4293662), (196, 2146831), (727, 578788), (1454, 289394), (2908, 144697), (2953, 142492), (5089, 82684), (5906, 71246), (10178, 41342), (11812, 35623), (20356, 20671)]