12499250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 24999624

約数和(自身を除く): 12500374

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 173, 250, 289, 346, 425, 578, 850, 865, 1445, 1730, 2125, 2890, 2941, 4250, 4325, 5882, 7225, 8650, 14450, 14705, 21625, 29410, 36125, 43250, 49997, 72250, 73525, 99994, 147050, 249985, 367625, 499970, 735250, 1249925, 2499850, 6249625, 12499250]

約数ペア:

[(1, 12499250), (2, 6249625), (5, 2499850), (10, 1249925), (17, 735250), (25, 499970), (34, 367625), (50, 249985), (85, 147050), (125, 99994), (170, 73525), (173, 72250), (250, 49997), (289, 43250), (346, 36125), (425, 29410), (578, 21625), (850, 14705), (865, 14450), (1445, 8650), (1730, 7225), (2125, 5882), (2890, 4325), (2941, 4250)]