1109420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 2667168

約数和(自身を除く): 1557748

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 251, 260, 340, 442, 502, 884, 1004, 1105, 1255, 2210, 2510, 3263, 4267, 4420, 5020, 6526, 8534, 13052, 16315, 17068, 21335, 32630, 42670, 55471, 65260, 85340, 110942, 221884, 277355, 554710, 1109420]

約数ペア:

[(1, 1109420), (2, 554710), (4, 277355), (5, 221884), (10, 110942), (13, 85340), (17, 65260), (20, 55471), (26, 42670), (34, 32630), (52, 21335), (65, 17068), (68, 16315), (85, 13052), (130, 8534), (170, 6526), (221, 5020), (251, 4420), (260, 4267), (340, 3263), (442, 2510), (502, 2210), (884, 1255), (1004, 1105)]