920142500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 2116122624

約数和(自身を除く): 1195980124

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 47, 50, 82, 94, 100, 125, 164, 188, 191, 205, 235, 250, 382, 410, 470, 500, 625, 764, 820, 940, 955, 1025, 1175, 1250, 1910, 1927, 2050, 2350, 2500, 3820, 3854, 4100, 4700, 4775, 5125, 5875, 7708, 7831, 8977, 9550, 9635, 10250, 11750, 15662, 17954, 19100, 19270, 20500, 23500, 23875, 25625, 29375, 31324, 35908, 38540, 39155, 44885, 47750, 48175, 51250, 58750, 78310, 89770, 95500, 96350, 102500, 117500, 119375, 156620, 179540, 192700, 195775, 224425, 238750, 240875, 368057, 391550, 448850, 477500, 481750, 736114, 783100, 897700, 963500, 978875, 1122125, 1204375, 1472228, 1840285, 1957750, 2244250, 2408750, 3680570, 3915500, 4488500, 4817500, 4894375, 5610625, 7361140, 9201425, 9788750, 11221250, 18402850, 19577500, 22442500, 36805700, 46007125, 92014250, 184028500, 230035625, 460071250, 920142500]

約数ペア:

[(1, 920142500), (2, 460071250), (4, 230035625), (5, 184028500), (10, 92014250), (20, 46007125), (25, 36805700), (41, 22442500), (47, 19577500), (50, 18402850), (82, 11221250), (94, 9788750), (100, 9201425), (125, 7361140), (164, 5610625), (188, 4894375), (191, 4817500), (205, 4488500), (235, 3915500), (250, 3680570), (382, 2408750), (410, 2244250), (470, 1957750), (500, 1840285), (625, 1472228), (764, 1204375), (820, 1122125), (940, 978875), (955, 963500), (1025, 897700), (1175, 783100), (1250, 736114), (1910, 481750), (1927, 477500), (2050, 448850), (2350, 391550), (2500, 368057), (3820, 240875), (3854, 238750), (4100, 224425), (4700, 195775), (4775, 192700), (5125, 179540), (5875, 156620), (7708, 119375), (7831, 117500), (8977, 102500), (9550, 96350), (9635, 95500), (10250, 89770), (11750, 78310), (15662, 58750), (17954, 51250), (19100, 48175), (19270, 47750), (20500, 44885), (23500, 39155), (23875, 38540), (25625, 35908), (29375, 31324)]