245780360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5591}}^1$

素因数の和:5766

約数の個数: 64

約数和(自身を含む): 636145920

約数和(自身を除く): 390365560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 4396, 5495, 5591, 6280, 8792, 10990, 11182, 21980, 22364, 27955, 39137, 43960, 44728, 55910, 78274, 111820, 156548, 195685, 223640, 313096, 391370, 782740, 877787, 1565480, 1755574, 3511148, 4388935, 6144509, 7022296, 8777870, 12289018, 17555740, 24578036, 30722545, 35111480, 49156072, 61445090, 122890180, 245780360]

約数ペア:

[(1, 245780360), (2, 122890180), (4, 61445090), (5, 49156072), (7, 35111480), (8, 30722545), (10, 24578036), (14, 17555740), (20, 12289018), (28, 8777870), (35, 7022296), (40, 6144509), (56, 4388935), (70, 3511148), (140, 1755574), (157, 1565480), (280, 877787), (314, 782740), (628, 391370), (785, 313096), (1099, 223640), (1256, 195685), (1570, 156548), (2198, 111820), (3140, 78274), (4396, 55910), (5495, 44728), (5591, 43960), (6280, 39137), (8792, 27955), (10990, 22364), (11182, 21980)]