289995650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{28571}}^1$

素因数の和:28619

約数の個数: 48

約数和(自身を含む): 637727040

約数和(自身を除く): 347731390

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2030, 5075, 10150, 28571, 57142, 142855, 199997, 285710, 399994, 714275, 828559, 999985, 1428550, 1657118, 1999970, 4142795, 4999925, 5799913, 8285590, 9999850, 11599826, 20713975, 28999565, 41427950, 57999130, 144997825, 289995650]

約数ペア:

[(1, 289995650), (2, 144997825), (5, 57999130), (7, 41427950), (10, 28999565), (14, 20713975), (25, 11599826), (29, 9999850), (35, 8285590), (50, 5799913), (58, 4999925), (70, 4142795), (145, 1999970), (175, 1657118), (203, 1428550), (290, 999985), (350, 828559), (406, 714275), (725, 399994), (1015, 285710), (1450, 199997), (2030, 142855), (5075, 57142), (10150, 28571)]