490820820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1168621}}^1$

素因数の和:1168640

約数の個数: 48

約数和(自身を含む): 1570627968

約数和(自身を除く): 1079807148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1168621, 2337242, 3505863, 4674484, 5843105, 7011726, 8180347, 11686210, 14023452, 16360694, 17529315, 23372420, 24541041, 32721388, 35058630, 40901735, 49082082, 70117260, 81803470, 98164164, 122705205, 163606940, 245410410, 490820820]

約数ペア:

[(1, 490820820), (2, 245410410), (3, 163606940), (4, 122705205), (5, 98164164), (6, 81803470), (7, 70117260), (10, 49082082), (12, 40901735), (14, 35058630), (15, 32721388), (20, 24541041), (21, 23372420), (28, 17529315), (30, 16360694), (35, 14023452), (42, 11686210), (60, 8180347), (70, 7011726), (84, 5843105), (105, 4674484), (140, 3505863), (210, 2337242), (420, 1168621)]