49540040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 132969600

約数和(自身を除く): 83429560

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 37, 40, 44, 55, 68, 74, 85, 88, 110, 136, 148, 170, 179, 185, 187, 220, 296, 340, 358, 370, 374, 407, 440, 629, 680, 716, 740, 748, 814, 895, 935, 1258, 1432, 1480, 1496, 1628, 1790, 1870, 1969, 2035, 2516, 3043, 3145, 3256, 3580, 3740, 3938, 4070, 5032, 6086, 6290, 6623, 6919, 7160, 7480, 7876, 8140, 9845, 12172, 12580, 13246, 13838, 15215, 15752, 16280, 19690, 24344, 25160, 26492, 27676, 30430, 33115, 33473, 34595, 39380, 52984, 55352, 60860, 66230, 66946, 69190, 72853, 78760, 112591, 121720, 132460, 133892, 138380, 145706, 167365, 225182, 264920, 267784, 276760, 291412, 334730, 364265, 450364, 562955, 582824, 669460, 728530, 900728, 1125910, 1238501, 1338920, 1457060, 2251820, 2477002, 2914120, 4503640, 4954004, 6192505, 9908008, 12385010, 24770020, 49540040]

約数ペア:

[(1, 49540040), (2, 24770020), (4, 12385010), (5, 9908008), (8, 6192505), (10, 4954004), (11, 4503640), (17, 2914120), (20, 2477002), (22, 2251820), (34, 1457060), (37, 1338920), (40, 1238501), (44, 1125910), (55, 900728), (68, 728530), (74, 669460), (85, 582824), (88, 562955), (110, 450364), (136, 364265), (148, 334730), (170, 291412), (179, 276760), (185, 267784), (187, 264920), (220, 225182), (296, 167365), (340, 145706), (358, 138380), (370, 133892), (374, 132460), (407, 121720), (440, 112591), (629, 78760), (680, 72853), (716, 69190), (740, 66946), (748, 66230), (814, 60860), (895, 55352), (935, 52984), (1258, 39380), (1432, 34595), (1480, 33473), (1496, 33115), (1628, 30430), (1790, 27676), (1870, 26492), (1969, 25160), (2035, 24344), (2516, 19690), (3043, 16280), (3145, 15752), (3256, 15215), (3580, 13838), (3740, 13246), (3938, 12580), (4070, 12172), (5032, 9845), (6086, 8140), (6290, 7876), (6623, 7480), (6919, 7160)]