395223640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38149}}^1$

素因数の和:38204

約数の個数: 64

約数和(自身を含む): 1043784000

約数和(自身を除く): 648560360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 38149, 76298, 152596, 190745, 267043, 305192, 381490, 534086, 762980, 1068172, 1335215, 1411513, 1525960, 2136344, 2670430, 2823026, 5340860, 5646052, 7057565, 9880591, 10681720, 11292104, 14115130, 19761182, 28230260, 39522364, 49402955, 56460520, 79044728, 98805910, 197611820, 395223640]

約数ペア:

[(1, 395223640), (2, 197611820), (4, 98805910), (5, 79044728), (7, 56460520), (8, 49402955), (10, 39522364), (14, 28230260), (20, 19761182), (28, 14115130), (35, 11292104), (37, 10681720), (40, 9880591), (56, 7057565), (70, 5646052), (74, 5340860), (140, 2823026), (148, 2670430), (185, 2136344), (259, 1525960), (280, 1411513), (296, 1335215), (370, 1068172), (518, 762980), (740, 534086), (1036, 381490), (1295, 305192), (1480, 267043), (2072, 190745), (2590, 152596), (5180, 76298), (10360, 38149)]