90376540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5531}}^1$

素因数の和:5602

約数の個数: 48

約数和(自身を含む): 204462720

約数和(自身を除く): 114086180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 5531, 8170, 11062, 16340, 22124, 27655, 55310, 105089, 110620, 210178, 237833, 420356, 475666, 525445, 951332, 1050890, 1189165, 2101780, 2378330, 4518827, 4756660, 9037654, 18075308, 22594135, 45188270, 90376540]

約数ペア:

[(1, 90376540), (2, 45188270), (4, 22594135), (5, 18075308), (10, 9037654), (19, 4756660), (20, 4518827), (38, 2378330), (43, 2101780), (76, 1189165), (86, 1050890), (95, 951332), (172, 525445), (190, 475666), (215, 420356), (380, 237833), (430, 210178), (817, 110620), (860, 105089), (1634, 55310), (3268, 27655), (4085, 22124), (5531, 16340), (8170, 11062)]