251396220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2141}}^1$

素因数の和:2275

約数の個数: 96

約数和(自身を含む): 748500480

約数和(自身を除く): 497104260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 103, 114, 190, 206, 228, 285, 309, 380, 412, 515, 570, 618, 1030, 1140, 1236, 1545, 1957, 2060, 2141, 3090, 3914, 4282, 5871, 6180, 6423, 7828, 8564, 9785, 10705, 11742, 12846, 19570, 21410, 23484, 25692, 29355, 32115, 39140, 40679, 42820, 58710, 64230, 81358, 117420, 122037, 128460, 162716, 203395, 220523, 244074, 406790, 441046, 488148, 610185, 661569, 813580, 882092, 1102615, 1220370, 1323138, 2205230, 2440740, 2646276, 3307845, 4189937, 4410460, 6615690, 8379874, 12569811, 13231380, 16759748, 20949685, 25139622, 41899370, 50279244, 62849055, 83798740, 125698110, 251396220]

約数ペア:

[(1, 251396220), (2, 125698110), (3, 83798740), (4, 62849055), (5, 50279244), (6, 41899370), (10, 25139622), (12, 20949685), (15, 16759748), (19, 13231380), (20, 12569811), (30, 8379874), (38, 6615690), (57, 4410460), (60, 4189937), (76, 3307845), (95, 2646276), (103, 2440740), (114, 2205230), (190, 1323138), (206, 1220370), (228, 1102615), (285, 882092), (309, 813580), (380, 661569), (412, 610185), (515, 488148), (570, 441046), (618, 406790), (1030, 244074), (1140, 220523), (1236, 203395), (1545, 162716), (1957, 128460), (2060, 122037), (2141, 117420), (3090, 81358), (3914, 64230), (4282, 58710), (5871, 42820), (6180, 40679), (6423, 39140), (7828, 32115), (8564, 29355), (9785, 25692), (10705, 23484), (11742, 21410), (12846, 19570)]