4788550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 9843120

約数和(自身を除く): 5054570

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 139, 265, 278, 325, 530, 650, 689, 695, 1325, 1378, 1390, 1807, 2650, 3445, 3475, 3614, 6890, 6950, 7367, 9035, 14734, 17225, 18070, 34450, 36835, 45175, 73670, 90350, 95771, 184175, 191542, 368350, 478855, 957710, 2394275, 4788550]

約数ペア:

[(1, 4788550), (2, 2394275), (5, 957710), (10, 478855), (13, 368350), (25, 191542), (26, 184175), (50, 95771), (53, 90350), (65, 73670), (106, 45175), (130, 36835), (139, 34450), (265, 18070), (278, 17225), (325, 14734), (530, 9035), (650, 7367), (689, 6950), (695, 6890), (1325, 3614), (1378, 3475), (1390, 3445), (1807, 2650)]