28010780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8699}}^1$

素因数の和:8738

約数の個数: 48

約数和(自身を含む): 70156800

約数和(自身を除く): 42146020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8699, 17398, 34796, 43495, 60893, 86990, 121786, 173980, 200077, 243572, 304465, 400154, 608930, 800308, 1000385, 1217860, 1400539, 2000770, 2801078, 4001540, 5602156, 7002695, 14005390, 28010780]

約数ペア:

[(1, 28010780), (2, 14005390), (4, 7002695), (5, 5602156), (7, 4001540), (10, 2801078), (14, 2000770), (20, 1400539), (23, 1217860), (28, 1000385), (35, 800308), (46, 608930), (70, 400154), (92, 304465), (115, 243572), (140, 200077), (161, 173980), (230, 121786), (322, 86990), (460, 60893), (644, 43495), (805, 34796), (1610, 17398), (3220, 8699)]