220830920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 538627320

約数和(自身を除く): 317796400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 361, 373, 380, 410, 722, 746, 760, 779, 820, 1444, 1492, 1558, 1640, 1805, 1865, 2888, 2984, 3116, 3610, 3730, 3895, 6232, 7087, 7220, 7460, 7790, 14174, 14440, 14801, 14920, 15293, 15580, 28348, 29602, 30586, 31160, 35435, 56696, 59204, 61172, 70870, 74005, 76465, 118408, 122344, 134653, 141740, 148010, 152930, 269306, 283480, 290567, 296020, 305860, 538612, 581134, 592040, 611720, 673265, 1077224, 1162268, 1346530, 1452835, 2324536, 2693060, 2905670, 5386120, 5520773, 5811340, 11041546, 11622680, 22083092, 27603865, 44166184, 55207730, 110415460, 220830920]

約数ペア:

[(1, 220830920), (2, 110415460), (4, 55207730), (5, 44166184), (8, 27603865), (10, 22083092), (19, 11622680), (20, 11041546), (38, 5811340), (40, 5520773), (41, 5386120), (76, 2905670), (82, 2693060), (95, 2324536), (152, 1452835), (164, 1346530), (190, 1162268), (205, 1077224), (328, 673265), (361, 611720), (373, 592040), (380, 581134), (410, 538612), (722, 305860), (746, 296020), (760, 290567), (779, 283480), (820, 269306), (1444, 152930), (1492, 148010), (1558, 141740), (1640, 134653), (1805, 122344), (1865, 118408), (2888, 76465), (2984, 74005), (3116, 70870), (3610, 61172), (3730, 59204), (3895, 56696), (6232, 35435), (7087, 31160), (7220, 30586), (7460, 29602), (7790, 28348), (14174, 15580), (14440, 15293), (14801, 14920)]