1491490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 3628800

約数和(自身を除く): 2137310

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 149, 154, 182, 286, 298, 385, 455, 715, 745, 770, 910, 1001, 1043, 1430, 1490, 1639, 1937, 2002, 2086, 3278, 3874, 5005, 5215, 8195, 9685, 10010, 10430, 11473, 13559, 16390, 19370, 21307, 22946, 27118, 42614, 57365, 67795, 106535, 114730, 135590, 149149, 213070, 298298, 745745, 1491490]

約数ペア:

[(1, 1491490), (2, 745745), (5, 298298), (7, 213070), (10, 149149), (11, 135590), (13, 114730), (14, 106535), (22, 67795), (26, 57365), (35, 42614), (55, 27118), (65, 22946), (70, 21307), (77, 19370), (91, 16390), (110, 13559), (130, 11473), (143, 10430), (149, 10010), (154, 9685), (182, 8195), (286, 5215), (298, 5005), (385, 3874), (455, 3278), (715, 2086), (745, 2002), (770, 1937), (910, 1639), (1001, 1490), (1043, 1430)]