2499850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 36

約数和(自身を含む): 4967874

約数和(自身を除く): 2468024

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 173, 289, 346, 425, 578, 850, 865, 1445, 1730, 2890, 2941, 4325, 5882, 7225, 8650, 14450, 14705, 29410, 49997, 73525, 99994, 147050, 249985, 499970, 1249925, 2499850]

約数ペア:

[(1, 2499850), (2, 1249925), (5, 499970), (10, 249985), (17, 147050), (25, 99994), (34, 73525), (50, 49997), (85, 29410), (170, 14705), (173, 14450), (289, 8650), (346, 7225), (425, 5882), (578, 4325), (850, 2941), (865, 2890), (1445, 1730)]