507307780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 1315512576

約数和(自身を除く): 808204796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 71, 92, 98, 115, 140, 142, 161, 196, 230, 245, 284, 317, 322, 355, 460, 490, 497, 634, 644, 710, 805, 980, 994, 1127, 1268, 1420, 1585, 1610, 1633, 1988, 2219, 2254, 2485, 3170, 3220, 3266, 3479, 4438, 4508, 4970, 5635, 6340, 6532, 6958, 7291, 8165, 8876, 9940, 11095, 11270, 11431, 13916, 14582, 15533, 16330, 17395, 22190, 22507, 22540, 22862, 29164, 31066, 32660, 34790, 36455, 44380, 45014, 45724, 51037, 57155, 62132, 69580, 72910, 77665, 80017, 90028, 102074, 112535, 114310, 145820, 155330, 157549, 160034, 204148, 225070, 228620, 255185, 310660, 315098, 320068, 357259, 400085, 450140, 510370, 517661, 630196, 714518, 787745, 800170, 1020740, 1035322, 1102843, 1429036, 1575490, 1600340, 1786295, 2070644, 2205686, 2588305, 3150980, 3572590, 3623627, 4411372, 5176610, 5514215, 7145180, 7247254, 10353220, 11028430, 14494508, 18118135, 22056860, 25365389, 36236270, 50730778, 72472540, 101461556, 126826945, 253653890, 507307780]

約数ペア:

[(1, 507307780), (2, 253653890), (4, 126826945), (5, 101461556), (7, 72472540), (10, 50730778), (14, 36236270), (20, 25365389), (23, 22056860), (28, 18118135), (35, 14494508), (46, 11028430), (49, 10353220), (70, 7247254), (71, 7145180), (92, 5514215), (98, 5176610), (115, 4411372), (140, 3623627), (142, 3572590), (161, 3150980), (196, 2588305), (230, 2205686), (245, 2070644), (284, 1786295), (317, 1600340), (322, 1575490), (355, 1429036), (460, 1102843), (490, 1035322), (497, 1020740), (634, 800170), (644, 787745), (710, 714518), (805, 630196), (980, 517661), (994, 510370), (1127, 450140), (1268, 400085), (1420, 357259), (1585, 320068), (1610, 315098), (1633, 310660), (1988, 255185), (2219, 228620), (2254, 225070), (2485, 204148), (3170, 160034), (3220, 157549), (3266, 155330), (3479, 145820), (4438, 114310), (4508, 112535), (4970, 102074), (5635, 90028), (6340, 80017), (6532, 77665), (6958, 72910), (7291, 69580), (8165, 62132), (8876, 57155), (9940, 51037), (11095, 45724), (11270, 45014), (11431, 44380), (13916, 36455), (14582, 34790), (15533, 32660), (16330, 31066), (17395, 29164), (22190, 22862), (22507, 22540)]