1248805000

素因数分解:

$2^3\times 5^4\times {\mathrm{379}}^1\times {\mathrm{659}}^1$

素因数の和:1064

約数の個数: 80

約数和(自身を含む): 2938122000

約数和(自身を除く): 1689317000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 379, 500, 625, 659, 758, 1000, 1250, 1318, 1516, 1895, 2500, 2636, 3032, 3295, 3790, 5000, 5272, 6590, 7580, 9475, 13180, 15160, 16475, 18950, 26360, 32950, 37900, 47375, 65900, 75800, 82375, 94750, 131800, 164750, 189500, 236875, 249761, 329500, 379000, 411875, 473750, 499522, 659000, 823750, 947500, 999044, 1248805, 1647500, 1895000, 1998088, 2497610, 3295000, 4995220, 6244025, 9990440, 12488050, 24976100, 31220125, 49952200, 62440250, 124880500, 156100625, 249761000, 312201250, 624402500, 1248805000]

約数ペア:

[(1, 1248805000), (2, 624402500), (4, 312201250), (5, 249761000), (8, 156100625), (10, 124880500), (20, 62440250), (25, 49952200), (40, 31220125), (50, 24976100), (100, 12488050), (125, 9990440), (200, 6244025), (250, 4995220), (379, 3295000), (500, 2497610), (625, 1998088), (659, 1895000), (758, 1647500), (1000, 1248805), (1250, 999044), (1318, 947500), (1516, 823750), (1895, 659000), (2500, 499522), (2636, 473750), (3032, 411875), (3295, 379000), (3790, 329500), (5000, 249761), (5272, 236875), (6590, 189500), (7580, 164750), (9475, 131800), (13180, 94750), (15160, 82375), (16475, 75800), (18950, 65900), (26360, 47375), (32950, 37900)]