257736900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 794393600

約数和(自身を除く): 536656700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 103, 114, 150, 190, 206, 228, 285, 300, 309, 380, 412, 439, 475, 515, 570, 618, 878, 950, 1030, 1140, 1236, 1317, 1425, 1545, 1756, 1900, 1957, 2060, 2195, 2575, 2634, 2850, 3090, 3914, 4390, 5150, 5268, 5700, 5871, 6180, 6585, 7725, 7828, 8341, 8780, 9785, 10300, 10975, 11742, 13170, 15450, 16682, 19570, 21950, 23484, 25023, 26340, 29355, 30900, 32925, 33364, 39140, 41705, 43900, 45217, 48925, 50046, 58710, 65850, 83410, 90434, 97850, 100092, 117420, 125115, 131700, 135651, 146775, 166820, 180868, 195700, 208525, 226085, 250230, 271302, 293550, 417050, 452170, 500460, 542604, 587100, 625575, 678255, 834100, 859123, 904340, 1130425, 1251150, 1356510, 1718246, 2260850, 2502300, 2577369, 2713020, 3391275, 3436492, 4295615, 4521700, 5154738, 6782550, 8591230, 10309476, 12886845, 13565100, 17182460, 21478075, 25773690, 42956150, 51547380, 64434225, 85912300, 128868450, 257736900]

約数ペア:

[(1, 257736900), (2, 128868450), (3, 85912300), (4, 64434225), (5, 51547380), (6, 42956150), (10, 25773690), (12, 21478075), (15, 17182460), (19, 13565100), (20, 12886845), (25, 10309476), (30, 8591230), (38, 6782550), (50, 5154738), (57, 4521700), (60, 4295615), (75, 3436492), (76, 3391275), (95, 2713020), (100, 2577369), (103, 2502300), (114, 2260850), (150, 1718246), (190, 1356510), (206, 1251150), (228, 1130425), (285, 904340), (300, 859123), (309, 834100), (380, 678255), (412, 625575), (439, 587100), (475, 542604), (515, 500460), (570, 452170), (618, 417050), (878, 293550), (950, 271302), (1030, 250230), (1140, 226085), (1236, 208525), (1317, 195700), (1425, 180868), (1545, 166820), (1756, 146775), (1900, 135651), (1957, 131700), (2060, 125115), (2195, 117420), (2575, 100092), (2634, 97850), (2850, 90434), (3090, 83410), (3914, 65850), (4390, 58710), (5150, 50046), (5268, 48925), (5700, 45217), (5871, 43900), (6180, 41705), (6585, 39140), (7725, 33364), (7828, 32925), (8341, 30900), (8780, 29355), (9785, 26340), (10300, 25023), (10975, 23484), (11742, 21950), (13170, 19570), (15450, 16682)]