98690000

素因数分解:

$2^4\times 5^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 100

約数和(自身を含む): 244046880

約数和(自身を除く): 145356880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 139, 142, 200, 250, 278, 284, 355, 400, 500, 556, 568, 625, 695, 710, 1000, 1112, 1136, 1250, 1390, 1420, 1775, 2000, 2224, 2500, 2780, 2840, 3475, 3550, 5000, 5560, 5680, 6950, 7100, 8875, 9869, 10000, 11120, 13900, 14200, 17375, 17750, 19738, 27800, 28400, 34750, 35500, 39476, 44375, 49345, 55600, 69500, 71000, 78952, 86875, 88750, 98690, 139000, 142000, 157904, 173750, 177500, 197380, 246725, 278000, 347500, 355000, 394760, 493450, 695000, 710000, 789520, 986900, 1233625, 1390000, 1973800, 2467250, 3947600, 4934500, 6168125, 9869000, 12336250, 19738000, 24672500, 49345000, 98690000]

約数ペア:

[(1, 98690000), (2, 49345000), (4, 24672500), (5, 19738000), (8, 12336250), (10, 9869000), (16, 6168125), (20, 4934500), (25, 3947600), (40, 2467250), (50, 1973800), (71, 1390000), (80, 1233625), (100, 986900), (125, 789520), (139, 710000), (142, 695000), (200, 493450), (250, 394760), (278, 355000), (284, 347500), (355, 278000), (400, 246725), (500, 197380), (556, 177500), (568, 173750), (625, 157904), (695, 142000), (710, 139000), (1000, 98690), (1112, 88750), (1136, 86875), (1250, 78952), (1390, 71000), (1420, 69500), (1775, 55600), (2000, 49345), (2224, 44375), (2500, 39476), (2780, 35500), (2840, 34750), (3475, 28400), (3550, 27800), (5000, 19738), (5560, 17750), (5680, 17375), (6950, 14200), (7100, 13900), (8875, 11120), (9869, 10000)]