401065340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{2711}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 908953920

約数和(自身を除く): 507888580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 569, 1138, 2276, 2711, 2845, 5422, 5690, 7397, 10844, 11380, 13555, 14794, 27110, 29588, 35243, 36985, 54220, 70486, 73970, 140972, 147940, 176215, 352430, 704860, 1542559, 3085118, 6170236, 7712795, 15425590, 20053267, 30851180, 40106534, 80213068, 100266335, 200532670, 401065340]

約数ペア:

[(1, 401065340), (2, 200532670), (4, 100266335), (5, 80213068), (10, 40106534), (13, 30851180), (20, 20053267), (26, 15425590), (52, 7712795), (65, 6170236), (130, 3085118), (260, 1542559), (569, 704860), (1138, 352430), (2276, 176215), (2711, 147940), (2845, 140972), (5422, 73970), (5690, 70486), (7397, 54220), (10844, 36985), (11380, 35243), (13555, 29588), (14794, 27110)]