201991250

素因数分解:

$2^1\times 5^4\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:876

約数の個数: 40

約数和(自身を含む): 380615664

約数和(自身を除く): 178624414

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 283, 566, 571, 625, 1142, 1250, 1415, 2830, 2855, 5710, 7075, 14150, 14275, 28550, 35375, 70750, 71375, 142750, 161593, 176875, 323186, 353750, 356875, 713750, 807965, 1615930, 4039825, 8079650, 20199125, 40398250, 100995625, 201991250]

約数ペア:

[(1, 201991250), (2, 100995625), (5, 40398250), (10, 20199125), (25, 8079650), (50, 4039825), (125, 1615930), (250, 807965), (283, 713750), (566, 356875), (571, 353750), (625, 323186), (1142, 176875), (1250, 161593), (1415, 142750), (2830, 71375), (2855, 70750), (5710, 35375), (7075, 28550), (14150, 14275)]