249610760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 670464000

約数和(自身を除く): 420853240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 149, 155, 193, 217, 248, 280, 298, 310, 386, 434, 596, 620, 745, 772, 868, 965, 1043, 1085, 1192, 1240, 1351, 1490, 1544, 1736, 1930, 2086, 2170, 2702, 2980, 3860, 4172, 4340, 4619, 5215, 5404, 5960, 5983, 6755, 7720, 8344, 8680, 9238, 10430, 10808, 11966, 13510, 18476, 20860, 23095, 23932, 27020, 28757, 29915, 32333, 36952, 41720, 41881, 46190, 47864, 54040, 57514, 59830, 64666, 83762, 92380, 115028, 119660, 129332, 143785, 161665, 167524, 184760, 201299, 209405, 230056, 239320, 258664, 287570, 323330, 335048, 402598, 418810, 575140, 646660, 805196, 837620, 891467, 1006495, 1150280, 1293320, 1610392, 1675240, 1782934, 2012990, 3565868, 4025980, 4457335, 6240269, 7131736, 8051960, 8914670, 12480538, 17829340, 24961076, 31201345, 35658680, 49922152, 62402690, 124805380, 249610760]

約数ペア:

[(1, 249610760), (2, 124805380), (4, 62402690), (5, 49922152), (7, 35658680), (8, 31201345), (10, 24961076), (14, 17829340), (20, 12480538), (28, 8914670), (31, 8051960), (35, 7131736), (40, 6240269), (56, 4457335), (62, 4025980), (70, 3565868), (124, 2012990), (140, 1782934), (149, 1675240), (155, 1610392), (193, 1293320), (217, 1150280), (248, 1006495), (280, 891467), (298, 837620), (310, 805196), (386, 646660), (434, 575140), (596, 418810), (620, 402598), (745, 335048), (772, 323330), (868, 287570), (965, 258664), (1043, 239320), (1085, 230056), (1192, 209405), (1240, 201299), (1351, 184760), (1490, 167524), (1544, 161665), (1736, 143785), (1930, 129332), (2086, 119660), (2170, 115028), (2702, 92380), (2980, 83762), (3860, 64666), (4172, 59830), (4340, 57514), (4619, 54040), (5215, 47864), (5404, 46190), (5960, 41881), (5983, 41720), (6755, 36952), (7720, 32333), (8344, 29915), (8680, 28757), (9238, 27020), (10430, 23932), (10808, 23095), (11966, 20860), (13510, 18476)]