285215270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 567184032

約数和(自身を除く): 281968762

約数列:

[1, 2, 5, 10, 19, 38, 41, 47, 82, 94, 95, 190, 205, 235, 361, 410, 470, 722, 779, 893, 1558, 1681, 1786, 1805, 1927, 3362, 3610, 3854, 3895, 4465, 7790, 8405, 8930, 9635, 14801, 16810, 16967, 19270, 29602, 31939, 33934, 36613, 63878, 73226, 74005, 79007, 84835, 148010, 158014, 159695, 169670, 183065, 319390, 366130, 395035, 606841, 695647, 790070, 1213682, 1391294, 1501133, 3002266, 3034205, 3478235, 6068410, 6956470, 7505665, 15011330, 28521527, 57043054, 142607635, 285215270]

約数ペア:

[(1, 285215270), (2, 142607635), (5, 57043054), (10, 28521527), (19, 15011330), (38, 7505665), (41, 6956470), (47, 6068410), (82, 3478235), (94, 3034205), (95, 3002266), (190, 1501133), (205, 1391294), (235, 1213682), (361, 790070), (410, 695647), (470, 606841), (722, 395035), (779, 366130), (893, 319390), (1558, 183065), (1681, 169670), (1786, 159695), (1805, 158014), (1927, 148010), (3362, 84835), (3610, 79007), (3854, 74005), (3895, 73226), (4465, 63878), (7790, 36613), (8405, 33934), (8930, 31939), (9635, 29602), (14801, 19270), (16810, 16967)]