1283260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 3104640

約数和(自身を除く): 1821380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 307, 380, 418, 614, 836, 1045, 1228, 1535, 2090, 3070, 3377, 4180, 5833, 6140, 6754, 11666, 13508, 16885, 23332, 29165, 33770, 58330, 64163, 67540, 116660, 128326, 256652, 320815, 641630, 1283260]

約数ペア:

[(1, 1283260), (2, 641630), (4, 320815), (5, 256652), (10, 128326), (11, 116660), (19, 67540), (20, 64163), (22, 58330), (38, 33770), (44, 29165), (55, 23332), (76, 16885), (95, 13508), (110, 11666), (190, 6754), (209, 6140), (220, 5833), (307, 4180), (380, 3377), (418, 3070), (614, 2090), (836, 1535), (1045, 1228)]