2123403020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{39779}}^1$

素因数の和:39962

約数の個数: 48

約数和(自身を含む): 4751641440

約数和(自身を除く): 2628238420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1570, 2669, 3140, 5338, 10676, 13345, 26690, 39779, 53380, 79558, 159116, 198895, 397790, 676243, 795580, 1352486, 2704972, 3381215, 6245303, 6762430, 12490606, 13524860, 24981212, 31226515, 62453030, 106170151, 124906060, 212340302, 424680604, 530850755, 1061701510, 2123403020]

約数ペア:

[(1, 2123403020), (2, 1061701510), (4, 530850755), (5, 424680604), (10, 212340302), (17, 124906060), (20, 106170151), (34, 62453030), (68, 31226515), (85, 24981212), (157, 13524860), (170, 12490606), (314, 6762430), (340, 6245303), (628, 3381215), (785, 2704972), (1570, 1352486), (2669, 795580), (3140, 676243), (5338, 397790), (10676, 198895), (13345, 159116), (26690, 79558), (39779, 53380)]