945458920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 2503872000

約数和(自身を除く): 1558413080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 274, 280, 343, 392, 490, 503, 548, 685, 686, 959, 980, 1006, 1096, 1370, 1372, 1715, 1918, 1960, 2012, 2515, 2740, 2744, 3430, 3521, 3836, 4024, 4795, 5030, 5480, 6713, 6860, 7042, 7672, 9590, 10060, 13426, 13720, 14084, 17605, 19180, 20120, 24647, 26852, 28168, 33565, 35210, 38360, 46991, 49294, 53704, 67130, 68911, 70420, 93982, 98588, 123235, 134260, 137822, 140840, 172529, 187964, 197176, 234955, 246470, 268520, 275644, 344555, 345058, 375928, 469910, 482377, 492940, 551288, 689110, 690116, 862645, 939820, 964754, 985880, 1378220, 1380232, 1725290, 1879640, 1929508, 2411885, 2756440, 3376639, 3450580, 3859016, 4823770, 6753278, 6901160, 9647540, 13506556, 16883195, 19295080, 23636473, 27013112, 33766390, 47272946, 67532780, 94545892, 118182365, 135065560, 189091784, 236364730, 472729460, 945458920]

約数ペア:

[(1, 945458920), (2, 472729460), (4, 236364730), (5, 189091784), (7, 135065560), (8, 118182365), (10, 94545892), (14, 67532780), (20, 47272946), (28, 33766390), (35, 27013112), (40, 23636473), (49, 19295080), (56, 16883195), (70, 13506556), (98, 9647540), (137, 6901160), (140, 6753278), (196, 4823770), (245, 3859016), (274, 3450580), (280, 3376639), (343, 2756440), (392, 2411885), (490, 1929508), (503, 1879640), (548, 1725290), (685, 1380232), (686, 1378220), (959, 985880), (980, 964754), (1006, 939820), (1096, 862645), (1370, 690116), (1372, 689110), (1715, 551288), (1918, 492940), (1960, 482377), (2012, 469910), (2515, 375928), (2740, 345058), (2744, 344555), (3430, 275644), (3521, 268520), (3836, 246470), (4024, 234955), (4795, 197176), (5030, 187964), (5480, 172529), (6713, 140840), (6860, 137822), (7042, 134260), (7672, 123235), (9590, 98588), (10060, 93982), (13426, 70420), (13720, 68911), (14084, 67130), (17605, 53704), (19180, 49294), (20120, 46991), (24647, 38360), (26852, 35210), (28168, 33565)]