202157050

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 387475200

約数和(自身を除く): 185318150

約数列:

[1, 2, 5, 10, 25, 50, 61, 79, 122, 158, 305, 395, 610, 790, 839, 1525, 1678, 1975, 3050, 3950, 4195, 4819, 8390, 9638, 20975, 24095, 41950, 48190, 51179, 66281, 102358, 120475, 132562, 240950, 255895, 331405, 511790, 662810, 1279475, 1657025, 2558950, 3314050, 4043141, 8086282, 20215705, 40431410, 101078525, 202157050]

約数ペア:

[(1, 202157050), (2, 101078525), (5, 40431410), (10, 20215705), (25, 8086282), (50, 4043141), (61, 3314050), (79, 2558950), (122, 1657025), (158, 1279475), (305, 662810), (395, 511790), (610, 331405), (790, 255895), (839, 240950), (1525, 132562), (1678, 120475), (1975, 102358), (3050, 66281), (3950, 51179), (4195, 48190), (4819, 41950), (8390, 24095), (9638, 20975)]