198180500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{8089}}^1$

素因数の和:8122

約数の個数: 72

約数和(自身を含む): 503553960

約数和(自身を除く): 305373460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 8089, 12250, 16178, 24500, 32356, 40445, 56623, 80890, 113246, 161780, 202225, 226492, 283115, 396361, 404450, 566230, 792722, 808900, 1011125, 1132460, 1415575, 1585444, 1981805, 2022250, 2831150, 3963610, 4044500, 5662300, 7077875, 7927220, 9909025, 14155750, 19818050, 28311500, 39636100, 49545125, 99090250, 198180500]

約数ペア:

[(1, 198180500), (2, 99090250), (4, 49545125), (5, 39636100), (7, 28311500), (10, 19818050), (14, 14155750), (20, 9909025), (25, 7927220), (28, 7077875), (35, 5662300), (49, 4044500), (50, 3963610), (70, 2831150), (98, 2022250), (100, 1981805), (125, 1585444), (140, 1415575), (175, 1132460), (196, 1011125), (245, 808900), (250, 792722), (350, 566230), (490, 404450), (500, 396361), (700, 283115), (875, 226492), (980, 202225), (1225, 161780), (1750, 113246), (2450, 80890), (3500, 56623), (4900, 40445), (6125, 32356), (8089, 24500), (12250, 16178)]