642158660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2133

約数の個数: 96

約数和(自身を含む): 1599115392

約数和(自身を除く): 956956732

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 113, 130, 143, 220, 226, 260, 286, 452, 565, 572, 715, 1130, 1243, 1430, 1469, 1987, 2260, 2486, 2860, 2938, 3974, 4972, 5876, 6215, 7345, 7948, 9935, 12430, 14690, 16159, 19870, 21857, 24860, 25831, 29380, 32318, 39740, 43714, 51662, 64636, 80795, 87428, 103324, 109285, 129155, 161590, 218570, 224531, 258310, 284141, 323180, 437140, 449062, 516620, 568282, 898124, 1122655, 1136564, 1420705, 2245310, 2469841, 2841410, 2918903, 4490620, 4939682, 5682820, 5837806, 9879364, 11675612, 12349205, 14594515, 24698410, 29189030, 32107933, 49396820, 58378060, 64215866, 128431732, 160539665, 321079330, 642158660]

約数ペア:

[(1, 642158660), (2, 321079330), (4, 160539665), (5, 128431732), (10, 64215866), (11, 58378060), (13, 49396820), (20, 32107933), (22, 29189030), (26, 24698410), (44, 14594515), (52, 12349205), (55, 11675612), (65, 9879364), (110, 5837806), (113, 5682820), (130, 4939682), (143, 4490620), (220, 2918903), (226, 2841410), (260, 2469841), (286, 2245310), (452, 1420705), (565, 1136564), (572, 1122655), (715, 898124), (1130, 568282), (1243, 516620), (1430, 449062), (1469, 437140), (1987, 323180), (2260, 284141), (2486, 258310), (2860, 224531), (2938, 218570), (3974, 161590), (4972, 129155), (5876, 109285), (6215, 103324), (7345, 87428), (7948, 80795), (9935, 64636), (12430, 51662), (14690, 43714), (16159, 39740), (19870, 32318), (21857, 29380), (24860, 25831)]