2218840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 5715360

約数和(自身を除く): 3496520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 251, 260, 340, 442, 502, 520, 680, 884, 1004, 1105, 1255, 1768, 2008, 2210, 2510, 3263, 4267, 4420, 5020, 6526, 8534, 8840, 10040, 13052, 16315, 17068, 21335, 26104, 32630, 34136, 42670, 55471, 65260, 85340, 110942, 130520, 170680, 221884, 277355, 443768, 554710, 1109420, 2218840]

約数ペア:

[(1, 2218840), (2, 1109420), (4, 554710), (5, 443768), (8, 277355), (10, 221884), (13, 170680), (17, 130520), (20, 110942), (26, 85340), (34, 65260), (40, 55471), (52, 42670), (65, 34136), (68, 32630), (85, 26104), (104, 21335), (130, 17068), (136, 16315), (170, 13052), (221, 10040), (251, 8840), (260, 8534), (340, 6526), (442, 5020), (502, 4420), (520, 4267), (680, 3263), (884, 2510), (1004, 2210), (1105, 2008), (1255, 1768)]