173892020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 380007936

約数和(自身を除く): 206115916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2141, 2620, 4061, 4282, 8122, 8564, 10705, 16244, 20305, 21410, 40610, 42820, 66371, 81220, 132742, 265484, 280471, 331855, 560942, 663710, 1121884, 1327420, 1402355, 2804710, 5609420, 8694601, 17389202, 34778404, 43473005, 86946010, 173892020]

約数ペア:

[(1, 173892020), (2, 86946010), (4, 43473005), (5, 34778404), (10, 17389202), (20, 8694601), (31, 5609420), (62, 2804710), (124, 1402355), (131, 1327420), (155, 1121884), (262, 663710), (310, 560942), (524, 331855), (620, 280471), (655, 265484), (1310, 132742), (2141, 81220), (2620, 66371), (4061, 42820), (4282, 40610), (8122, 21410), (8564, 20305), (10705, 16244)]