1257105740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{300743}}^1$

素因数の和:300782

約数の個数: 48

約数和(自身を含む): 3031499520

約数和(自身を除く): 1774393780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 300743, 601486, 1202972, 1503715, 3007430, 3308173, 5714117, 6014860, 6616346, 11428234, 13232692, 16540865, 22856468, 28570585, 33081730, 57141170, 62855287, 66163460, 114282340, 125710574, 251421148, 314276435, 628552870, 1257105740]

約数ペア:

[(1, 1257105740), (2, 628552870), (4, 314276435), (5, 251421148), (10, 125710574), (11, 114282340), (19, 66163460), (20, 62855287), (22, 57141170), (38, 33081730), (44, 28570585), (55, 22856468), (76, 16540865), (95, 13232692), (110, 11428234), (190, 6616346), (209, 6014860), (220, 5714117), (380, 3308173), (418, 3007430), (836, 1503715), (1045, 1202972), (2090, 601486), (4180, 300743)]