659367020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1\times {\mathrm{523}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 1506271536

約数和(自身を除く): 846904516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 373, 523, 676, 746, 845, 1046, 1492, 1690, 1865, 2092, 2615, 3380, 3730, 4849, 5230, 6799, 7460, 9698, 10460, 13598, 19396, 24245, 27196, 33995, 48490, 63037, 67990, 88387, 96980, 126074, 135980, 176774, 195079, 252148, 315185, 353548, 390158, 441935, 630370, 780316, 883870, 975395, 1260740, 1767740, 1950790, 2536027, 3901580, 5072054, 10144108, 12680135, 25360270, 32968351, 50720540, 65936702, 131873404, 164841755, 329683510, 659367020]

約数ペア:

[(1, 659367020), (2, 329683510), (4, 164841755), (5, 131873404), (10, 65936702), (13, 50720540), (20, 32968351), (26, 25360270), (52, 12680135), (65, 10144108), (130, 5072054), (169, 3901580), (260, 2536027), (338, 1950790), (373, 1767740), (523, 1260740), (676, 975395), (746, 883870), (845, 780316), (1046, 630370), (1492, 441935), (1690, 390158), (1865, 353548), (2092, 315185), (2615, 252148), (3380, 195079), (3730, 176774), (4849, 135980), (5230, 126074), (6799, 96980), (7460, 88387), (9698, 67990), (10460, 63037), (13598, 48490), (19396, 33995), (24245, 27196)]