201250780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 430768800

約数和(自身を除く): 229518020

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 307, 365, 449, 614, 730, 898, 1228, 1460, 1535, 1796, 2245, 3070, 4490, 6140, 8980, 22411, 32777, 44822, 65554, 89644, 112055, 131108, 137843, 163885, 224110, 275686, 327770, 448220, 551372, 655540, 689215, 1378430, 2756860, 10062539, 20125078, 40250156, 50312695, 100625390, 201250780]

約数ペア:

[(1, 201250780), (2, 100625390), (4, 50312695), (5, 40250156), (10, 20125078), (20, 10062539), (73, 2756860), (146, 1378430), (292, 689215), (307, 655540), (365, 551372), (449, 448220), (614, 327770), (730, 275686), (898, 224110), (1228, 163885), (1460, 137843), (1535, 131108), (1796, 112055), (2245, 89644), (3070, 65554), (4490, 44822), (6140, 32777), (8980, 22411)]