28574620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 63987840

約数和(自身を除く): 35413220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 229, 340, 367, 458, 734, 916, 1145, 1468, 1835, 2290, 3670, 3893, 4580, 6239, 7340, 7786, 12478, 15572, 19465, 24956, 31195, 38930, 62390, 77860, 84043, 124780, 168086, 336172, 420215, 840430, 1428731, 1680860, 2857462, 5714924, 7143655, 14287310, 28574620]

約数ペア:

[(1, 28574620), (2, 14287310), (4, 7143655), (5, 5714924), (10, 2857462), (17, 1680860), (20, 1428731), (34, 840430), (68, 420215), (85, 336172), (170, 168086), (229, 124780), (340, 84043), (367, 77860), (458, 62390), (734, 38930), (916, 31195), (1145, 24956), (1468, 19465), (1835, 15572), (2290, 12478), (3670, 7786), (3893, 7340), (4580, 6239)]