1397807540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1\times {\mathrm{3581}}^1$

素因数の和:4292

約数の個数: 48

約数和(自身を含む): 3041977680

約数和(自身を除く): 1644170140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 673, 1346, 2692, 3365, 3581, 6730, 7162, 13460, 14324, 17905, 19517, 35810, 39034, 71620, 78068, 97585, 103849, 195170, 207698, 390340, 415396, 519245, 1038490, 2076980, 2410013, 4820026, 9640052, 12050065, 24100130, 48200260, 69890377, 139780754, 279561508, 349451885, 698903770, 1397807540]

約数ペア:

[(1, 1397807540), (2, 698903770), (4, 349451885), (5, 279561508), (10, 139780754), (20, 69890377), (29, 48200260), (58, 24100130), (116, 12050065), (145, 9640052), (290, 4820026), (580, 2410013), (673, 2076980), (1346, 1038490), (2692, 519245), (3365, 415396), (3581, 390340), (6730, 207698), (7162, 195170), (13460, 103849), (14324, 97585), (17905, 78068), (19517, 71620), (35810, 39034)]