915980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 2090592

約数和(自身を除く): 1174612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 271, 338, 542, 676, 845, 1084, 1355, 1690, 2710, 3380, 3523, 5420, 7046, 14092, 17615, 35230, 45799, 70460, 91598, 183196, 228995, 457990, 915980]

約数ペア:

[(1, 915980), (2, 457990), (4, 228995), (5, 183196), (10, 91598), (13, 70460), (20, 45799), (26, 35230), (52, 17615), (65, 14092), (130, 7046), (169, 5420), (260, 3523), (271, 3380), (338, 2710), (542, 1690), (676, 1355), (845, 1084)]