1650220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 4078368

約数和(自身を除く): 2428148

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 577, 715, 1154, 1430, 2308, 2860, 2885, 5770, 6347, 7501, 11540, 12694, 15002, 25388, 30004, 31735, 37505, 63470, 75010, 82511, 126940, 150020, 165022, 330044, 412555, 825110, 1650220]

約数ペア:

[(1, 1650220), (2, 825110), (4, 412555), (5, 330044), (10, 165022), (11, 150020), (13, 126940), (20, 82511), (22, 75010), (26, 63470), (44, 37505), (52, 31735), (55, 30004), (65, 25388), (110, 15002), (130, 12694), (143, 11540), (220, 7501), (260, 6347), (286, 5770), (572, 2885), (577, 2860), (715, 2308), (1154, 1430)]