242891560

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{38677}}^1$

素因数の和:38845

約数の個数: 32

約数和(自身を含む): 550001160

約数和(自身を除く): 307109600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 38677, 77354, 154708, 193385, 309416, 386770, 773540, 1547080, 6072289, 12144578, 24289156, 30361445, 48578312, 60722890, 121445780, 242891560]

約数ペア:

[(1, 242891560), (2, 121445780), (4, 60722890), (5, 48578312), (8, 30361445), (10, 24289156), (20, 12144578), (40, 6072289), (157, 1547080), (314, 773540), (628, 386770), (785, 309416), (1256, 193385), (1570, 154708), (3140, 77354), (6280, 38677)]