1688403980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{17417}}^1$

素因数の和:17594

約数の個数: 48

約数和(自身を含む): 3669484896

約数和(自身を除く): 1981080916

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 17417, 19388, 24235, 34834, 48470, 69668, 87085, 96940, 174170, 348340, 644429, 1288858, 2281627, 2577716, 3222145, 4563254, 6444290, 9126508, 11408135, 12888580, 22816270, 45632540, 84420199, 168840398, 337680796, 422100995, 844201990, 1688403980]

約数ペア:

[(1, 1688403980), (2, 844201990), (4, 422100995), (5, 337680796), (10, 168840398), (20, 84420199), (37, 45632540), (74, 22816270), (131, 12888580), (148, 11408135), (185, 9126508), (262, 6444290), (370, 4563254), (524, 3222145), (655, 2577716), (740, 2281627), (1310, 1288858), (2620, 644429), (4847, 348340), (9694, 174170), (17417, 96940), (19388, 87085), (24235, 69668), (34834, 48470)]