291233540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{5023}}^1$

素因数の和:5268

約数の個数: 48

約数和(自身を含む): 661721088

約数和(自身を除く): 370487548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2899, 4460, 5023, 5798, 10046, 11596, 14495, 20092, 25115, 28990, 50230, 57980, 65299, 100460, 130598, 261196, 326495, 652990, 1120129, 1305980, 2240258, 4480516, 5600645, 11201290, 14561677, 22402580, 29123354, 58246708, 72808385, 145616770, 291233540]

約数ペア:

[(1, 291233540), (2, 145616770), (4, 72808385), (5, 58246708), (10, 29123354), (13, 22402580), (20, 14561677), (26, 11201290), (52, 5600645), (65, 4480516), (130, 2240258), (223, 1305980), (260, 1120129), (446, 652990), (892, 326495), (1115, 261196), (2230, 130598), (2899, 100460), (4460, 65299), (5023, 57980), (5798, 50230), (10046, 28990), (11596, 25115), (14495, 20092)]