245954775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 468541440

約数和(自身を除く): 222586665

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 59, 75, 93, 155, 163, 165, 177, 275, 295, 341, 465, 489, 649, 775, 815, 825, 885, 1023, 1475, 1705, 1793, 1829, 1947, 2325, 2445, 3245, 4075, 4425, 5053, 5115, 5379, 5487, 8525, 8965, 9145, 9617, 9735, 12225, 15159, 16225, 20119, 25265, 25575, 26895, 27435, 28851, 44825, 45725, 48085, 48675, 55583, 60357, 75795, 100595, 105787, 126325, 134475, 137175, 144255, 166749, 240425, 277915, 298127, 301785, 317361, 378975, 502975, 528935, 721275, 833745, 894381, 1389575, 1490635, 1508925, 1586805, 2644675, 3279397, 4168725, 4471905, 7453175, 7934025, 9838191, 16396985, 22359525, 49190955, 81984925, 245954775]

約数ペア:

[(1, 245954775), (3, 81984925), (5, 49190955), (11, 22359525), (15, 16396985), (25, 9838191), (31, 7934025), (33, 7453175), (55, 4471905), (59, 4168725), (75, 3279397), (93, 2644675), (155, 1586805), (163, 1508925), (165, 1490635), (177, 1389575), (275, 894381), (295, 833745), (341, 721275), (465, 528935), (489, 502975), (649, 378975), (775, 317361), (815, 301785), (825, 298127), (885, 277915), (1023, 240425), (1475, 166749), (1705, 144255), (1793, 137175), (1829, 134475), (1947, 126325), (2325, 105787), (2445, 100595), (3245, 75795), (4075, 60357), (4425, 55583), (5053, 48675), (5115, 48085), (5379, 45725), (5487, 44825), (8525, 28851), (8965, 27435), (9145, 26895), (9617, 25575), (9735, 25265), (12225, 20119), (15159, 16225)]