200978650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 384183000

約数和(自身を除く): 183204350

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 149, 265, 298, 509, 530, 745, 1018, 1325, 1490, 2545, 2650, 3725, 5090, 7450, 7897, 12725, 15794, 25450, 26977, 39485, 53954, 75841, 78970, 134885, 151682, 197425, 269770, 379205, 394850, 674425, 758410, 1348850, 1896025, 3792050, 4019573, 8039146, 20097865, 40195730, 100489325, 200978650]

約数ペア:

[(1, 200978650), (2, 100489325), (5, 40195730), (10, 20097865), (25, 8039146), (50, 4019573), (53, 3792050), (106, 1896025), (149, 1348850), (265, 758410), (298, 674425), (509, 394850), (530, 379205), (745, 269770), (1018, 197425), (1325, 151682), (1490, 134885), (2545, 78970), (2650, 75841), (3725, 53954), (5090, 39485), (7450, 26977), (7897, 25450), (12725, 15794)]