29905850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 60516960

約数和(自身を除く): 30611110

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 139, 278, 325, 331, 650, 662, 695, 1390, 1655, 1807, 3310, 3475, 3614, 4303, 6950, 8275, 8606, 9035, 16550, 18070, 21515, 43030, 45175, 46009, 90350, 92018, 107575, 215150, 230045, 460090, 598117, 1150225, 1196234, 2300450, 2990585, 5981170, 14952925, 29905850]

約数ペア:

[(1, 29905850), (2, 14952925), (5, 5981170), (10, 2990585), (13, 2300450), (25, 1196234), (26, 1150225), (50, 598117), (65, 460090), (130, 230045), (139, 215150), (278, 107575), (325, 92018), (331, 90350), (650, 46009), (662, 45175), (695, 43030), (1390, 21515), (1655, 18070), (1807, 16550), (3310, 9035), (3475, 8606), (3614, 8275), (4303, 6950)]