406561400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1949}}^1$

素因数の和:2121

約数の個数: 96

約数和(自身を含む): 1088100000

約数和(自身を除く): 681538600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 149, 175, 200, 280, 298, 350, 596, 700, 745, 1043, 1192, 1400, 1490, 1949, 2086, 2980, 3725, 3898, 4172, 5215, 5960, 7450, 7796, 8344, 9745, 10430, 13643, 14900, 15592, 19490, 20860, 26075, 27286, 29800, 38980, 41720, 48725, 52150, 54572, 68215, 77960, 97450, 104300, 109144, 136430, 194900, 208600, 272860, 290401, 341075, 389800, 545720, 580802, 682150, 1161604, 1364300, 1452005, 2032807, 2323208, 2728600, 2904010, 4065614, 5808020, 7260025, 8131228, 10164035, 11616040, 14520050, 16262456, 20328070, 29040100, 40656140, 50820175, 58080200, 81312280, 101640350, 203280700, 406561400]

約数ペア:

[(1, 406561400), (2, 203280700), (4, 101640350), (5, 81312280), (7, 58080200), (8, 50820175), (10, 40656140), (14, 29040100), (20, 20328070), (25, 16262456), (28, 14520050), (35, 11616040), (40, 10164035), (50, 8131228), (56, 7260025), (70, 5808020), (100, 4065614), (140, 2904010), (149, 2728600), (175, 2323208), (200, 2032807), (280, 1452005), (298, 1364300), (350, 1161604), (596, 682150), (700, 580802), (745, 545720), (1043, 389800), (1192, 341075), (1400, 290401), (1490, 272860), (1949, 208600), (2086, 194900), (2980, 136430), (3725, 109144), (3898, 104300), (4172, 97450), (5215, 77960), (5960, 68215), (7450, 54572), (7796, 52150), (8344, 48725), (9745, 41720), (10430, 38980), (13643, 29800), (14900, 27286), (15592, 26075), (19490, 20860)]