90191800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 227797920

約数和(自身を除く): 137606120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 41, 50, 68, 82, 85, 100, 136, 164, 170, 200, 205, 328, 340, 410, 425, 647, 680, 697, 820, 850, 1025, 1294, 1394, 1640, 1700, 2050, 2588, 2788, 3235, 3400, 3485, 4100, 5176, 5576, 6470, 6970, 8200, 10999, 12940, 13940, 16175, 17425, 21998, 25880, 26527, 27880, 32350, 34850, 43996, 53054, 54995, 64700, 69700, 87992, 106108, 109990, 129400, 132635, 139400, 212216, 219980, 265270, 274975, 439960, 450959, 530540, 549950, 663175, 901918, 1061080, 1099900, 1326350, 1803836, 2199800, 2254795, 2652700, 3607672, 4509590, 5305400, 9019180, 11273975, 18038360, 22547950, 45095900, 90191800]

約数ペア:

[(1, 90191800), (2, 45095900), (4, 22547950), (5, 18038360), (8, 11273975), (10, 9019180), (17, 5305400), (20, 4509590), (25, 3607672), (34, 2652700), (40, 2254795), (41, 2199800), (50, 1803836), (68, 1326350), (82, 1099900), (85, 1061080), (100, 901918), (136, 663175), (164, 549950), (170, 530540), (200, 450959), (205, 439960), (328, 274975), (340, 265270), (410, 219980), (425, 212216), (647, 139400), (680, 132635), (697, 129400), (820, 109990), (850, 106108), (1025, 87992), (1294, 69700), (1394, 64700), (1640, 54995), (1700, 53054), (2050, 43996), (2588, 34850), (2788, 32350), (3235, 27880), (3400, 26527), (3485, 25880), (4100, 21998), (5176, 17425), (5576, 16175), (6470, 13940), (6970, 12940), (8200, 10999)]