57131860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 130384296

約数和(自身を除く): 73252436

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 193, 205, 361, 380, 386, 410, 722, 772, 779, 820, 965, 1444, 1558, 1805, 1930, 3116, 3610, 3667, 3860, 3895, 7220, 7334, 7790, 7913, 14668, 14801, 15580, 15826, 18335, 29602, 31652, 36670, 39565, 59204, 69673, 73340, 74005, 79130, 139346, 148010, 150347, 158260, 278692, 296020, 300694, 348365, 601388, 696730, 751735, 1393460, 1503470, 2856593, 3006940, 5713186, 11426372, 14282965, 28565930, 57131860]

約数ペア:

[(1, 57131860), (2, 28565930), (4, 14282965), (5, 11426372), (10, 5713186), (19, 3006940), (20, 2856593), (38, 1503470), (41, 1393460), (76, 751735), (82, 696730), (95, 601388), (164, 348365), (190, 300694), (193, 296020), (205, 278692), (361, 158260), (380, 150347), (386, 148010), (410, 139346), (722, 79130), (772, 74005), (779, 73340), (820, 69673), (965, 59204), (1444, 39565), (1558, 36670), (1805, 31652), (1930, 29602), (3116, 18335), (3610, 15826), (3667, 15580), (3860, 14801), (3895, 14668), (7220, 7913), (7334, 7790)]