40990180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 109992960

約数和(自身を除く): 69002780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 619, 770, 860, 946, 1204, 1238, 1505, 1540, 1892, 2365, 2476, 3010, 3095, 3311, 4333, 4730, 6020, 6190, 6622, 6809, 8666, 9460, 12380, 13244, 13618, 16555, 17332, 21665, 26617, 27236, 33110, 34045, 43330, 47663, 53234, 66220, 68090, 86660, 95326, 106468, 133085, 136180, 186319, 190652, 238315, 266170, 292787, 372638, 476630, 532340, 585574, 745276, 931595, 953260, 1171148, 1463935, 1863190, 2049509, 2927870, 3726380, 4099018, 5855740, 8198036, 10247545, 20495090, 40990180]

約数ペア:

[(1, 40990180), (2, 20495090), (4, 10247545), (5, 8198036), (7, 5855740), (10, 4099018), (11, 3726380), (14, 2927870), (20, 2049509), (22, 1863190), (28, 1463935), (35, 1171148), (43, 953260), (44, 931595), (55, 745276), (70, 585574), (77, 532340), (86, 476630), (110, 372638), (140, 292787), (154, 266170), (172, 238315), (215, 190652), (220, 186319), (301, 136180), (308, 133085), (385, 106468), (430, 95326), (473, 86660), (602, 68090), (619, 66220), (770, 53234), (860, 47663), (946, 43330), (1204, 34045), (1238, 33110), (1505, 27236), (1540, 26617), (1892, 21665), (2365, 17332), (2476, 16555), (3010, 13618), (3095, 13244), (3311, 12380), (4333, 9460), (4730, 8666), (6020, 6809), (6190, 6622)]