7857998570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{2131}}^1$

素因数の和:2463

約数の個数: 64

約数和(自身を含む): 15196896000

約数和(自身を除く): 7338897430

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 199, 218, 398, 545, 995, 1090, 1853, 1990, 2131, 3383, 3706, 4262, 6766, 9265, 10655, 16915, 18530, 21310, 21691, 33830, 36227, 43382, 72454, 108455, 181135, 216910, 232279, 362270, 368747, 424069, 464558, 737494, 848138, 1161395, 1843735, 2120345, 2322790, 3687470, 3948743, 4240690, 7209173, 7897486, 14418346, 19743715, 36045865, 39487430, 46223521, 72091730, 92447042, 231117605, 462235210, 785799857, 1571599714, 3928999285, 7857998570]

約数ペア:

[(1, 7857998570), (2, 3928999285), (5, 1571599714), (10, 785799857), (17, 462235210), (34, 231117605), (85, 92447042), (109, 72091730), (170, 46223521), (199, 39487430), (218, 36045865), (398, 19743715), (545, 14418346), (995, 7897486), (1090, 7209173), (1853, 4240690), (1990, 3948743), (2131, 3687470), (3383, 2322790), (3706, 2120345), (4262, 1843735), (6766, 1161395), (9265, 848138), (10655, 737494), (16915, 464558), (18530, 424069), (21310, 368747), (21691, 362270), (33830, 232279), (36227, 216910), (43382, 181135), (72454, 108455)]