617814860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{26699}}^1$

素因数の和:26810

約数の個数: 48

約数和(自身を含む): 1412964000

約数和(自身を除く): 795149140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 26699, 53398, 106796, 133495, 266990, 347087, 533980, 694174, 1388348, 1735435, 2376211, 3470870, 4752422, 6941740, 9504844, 11881055, 23762110, 30890743, 47524220, 61781486, 123562972, 154453715, 308907430, 617814860]

約数ペア:

[(1, 617814860), (2, 308907430), (4, 154453715), (5, 123562972), (10, 61781486), (13, 47524220), (20, 30890743), (26, 23762110), (52, 11881055), (65, 9504844), (89, 6941740), (130, 4752422), (178, 3470870), (260, 2376211), (356, 1735435), (445, 1388348), (890, 694174), (1157, 533980), (1780, 347087), (2314, 266990), (4628, 133495), (5785, 106796), (11570, 53398), (23140, 26699)]