249202480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2447}}^1$

素因数の和:2546

約数の個数: 80

約数和(自身を含む): 619246080

約数和(自身を除く): 370043600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 760, 1072, 1273, 1340, 1520, 2447, 2546, 2680, 4894, 5092, 5360, 6365, 9788, 10184, 12235, 12730, 19576, 20368, 24470, 25460, 39152, 46493, 48940, 50920, 92986, 97880, 101840, 163949, 185972, 195760, 232465, 327898, 371944, 464930, 655796, 743888, 819745, 929860, 1311592, 1639490, 1859720, 2623184, 3115031, 3278980, 3719440, 6230062, 6557960, 12460124, 13115920, 15575155, 24920248, 31150310, 49840496, 62300620, 124601240, 249202480]

約数ペア:

[(1, 249202480), (2, 124601240), (4, 62300620), (5, 49840496), (8, 31150310), (10, 24920248), (16, 15575155), (19, 13115920), (20, 12460124), (38, 6557960), (40, 6230062), (67, 3719440), (76, 3278980), (80, 3115031), (95, 2623184), (134, 1859720), (152, 1639490), (190, 1311592), (268, 929860), (304, 819745), (335, 743888), (380, 655796), (536, 464930), (670, 371944), (760, 327898), (1072, 232465), (1273, 195760), (1340, 185972), (1520, 163949), (2447, 101840), (2546, 97880), (2680, 92986), (4894, 50920), (5092, 48940), (5360, 46493), (6365, 39152), (9788, 25460), (10184, 24470), (12235, 20368), (12730, 19576)]