259149020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{58631}}^1$

素因数の和:58670

約数の個数: 48

約数和(自身を含む): 620561088

約数和(自身を除く): 361412068

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 58631, 117262, 234524, 293155, 586310, 762203, 996727, 1172620, 1524406, 1993454, 3048812, 3811015, 3986908, 4983635, 7622030, 9967270, 12957451, 15244060, 19934540, 25914902, 51829804, 64787255, 129574510, 259149020]

約数ペア:

[(1, 259149020), (2, 129574510), (4, 64787255), (5, 51829804), (10, 25914902), (13, 19934540), (17, 15244060), (20, 12957451), (26, 9967270), (34, 7622030), (52, 4983635), (65, 3986908), (68, 3811015), (85, 3048812), (130, 1993454), (170, 1524406), (221, 1172620), (260, 996727), (340, 762203), (442, 586310), (884, 293155), (1105, 234524), (2210, 117262), (4420, 58631)]