2837980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 36

約数和(自身を含む): 6343848

約数和(自身を除く): 3505868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 491, 578, 982, 1156, 1445, 1964, 2455, 2890, 4910, 5780, 8347, 9820, 16694, 33388, 41735, 83470, 141899, 166940, 283798, 567596, 709495, 1418990, 2837980]

約数ペア:

[(1, 2837980), (2, 1418990), (4, 709495), (5, 567596), (10, 283798), (17, 166940), (20, 141899), (34, 83470), (68, 41735), (85, 33388), (170, 16694), (289, 9820), (340, 8347), (491, 5780), (578, 4910), (982, 2890), (1156, 2455), (1445, 1964)]