54438020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4273}}^1$

素因数の和:4309

約数の個数: 72

約数和(自身を含む): 143247384

約数和(自身を除く): 88809364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 4273, 6370, 8546, 12740, 17092, 21365, 29911, 42730, 55549, 59822, 85460, 111098, 119644, 149555, 209377, 222196, 277745, 299110, 388843, 418754, 555490, 598220, 777686, 837508, 1046885, 1110980, 1555372, 1944215, 2093770, 2721901, 3888430, 4187540, 5443802, 7776860, 10887604, 13609505, 27219010, 54438020]

約数ペア:

[(1, 54438020), (2, 27219010), (4, 13609505), (5, 10887604), (7, 7776860), (10, 5443802), (13, 4187540), (14, 3888430), (20, 2721901), (26, 2093770), (28, 1944215), (35, 1555372), (49, 1110980), (52, 1046885), (65, 837508), (70, 777686), (91, 598220), (98, 555490), (130, 418754), (140, 388843), (182, 299110), (196, 277745), (245, 222196), (260, 209377), (364, 149555), (455, 119644), (490, 111098), (637, 85460), (910, 59822), (980, 55549), (1274, 42730), (1820, 29911), (2548, 21365), (3185, 17092), (4273, 12740), (6370, 8546)]