290400770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{29663}}^1$

素因数の和:29770

約数の個数: 32

約数和(自身を含む): 576668160

約数和(自身を除く): 286267390

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 29663, 59326, 148315, 296630, 326293, 652586, 1631465, 2640007, 3262930, 5280014, 13200035, 26400070, 29040077, 58080154, 145200385, 290400770]

約数ペア:

[(1, 290400770), (2, 145200385), (5, 58080154), (10, 29040077), (11, 26400070), (22, 13200035), (55, 5280014), (89, 3262930), (110, 2640007), (178, 1631465), (445, 652586), (890, 326293), (979, 296630), (1958, 148315), (4895, 59326), (9790, 29663)]