202772020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{1489}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 465595200

約数和(自身を除く): 262823180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 619, 1238, 1489, 2476, 2978, 3095, 5956, 6190, 6809, 7445, 12380, 13618, 14890, 16379, 27236, 29780, 32758, 34045, 65516, 68090, 81895, 136180, 163790, 327580, 921691, 1843382, 3686764, 4608455, 9216910, 10138601, 18433820, 20277202, 40554404, 50693005, 101386010, 202772020]

約数ペア:

[(1, 202772020), (2, 101386010), (4, 50693005), (5, 40554404), (10, 20277202), (11, 18433820), (20, 10138601), (22, 9216910), (44, 4608455), (55, 3686764), (110, 1843382), (220, 921691), (619, 327580), (1238, 163790), (1489, 136180), (2476, 81895), (2978, 68090), (3095, 65516), (5956, 34045), (6190, 32758), (6809, 29780), (7445, 27236), (12380, 16379), (13618, 14890)]