1230675980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{36389}}^1$

素因数の和:36506

約数の個数: 48

約数和(自身を含む): 2751084000

約数和(自身を除く): 1520408020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 36389, 72778, 145556, 181945, 363890, 691391, 727780, 1382782, 2765564, 3238621, 3456955, 6477242, 6913910, 12954484, 13827820, 16193105, 32386210, 61533799, 64772420, 123067598, 246135196, 307668995, 615337990, 1230675980]

約数ペア:

[(1, 1230675980), (2, 615337990), (4, 307668995), (5, 246135196), (10, 123067598), (19, 64772420), (20, 61533799), (38, 32386210), (76, 16193105), (89, 13827820), (95, 12954484), (178, 6913910), (190, 6477242), (356, 3456955), (380, 3238621), (445, 2765564), (890, 1382782), (1691, 727780), (1780, 691391), (3382, 363890), (6764, 181945), (8455, 145556), (16910, 72778), (33820, 36389)]