389620462

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 780088320

約数和(自身を除く): 390467858

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 89, 98, 131, 154, 178, 217, 262, 341, 434, 539, 623, 682, 917, 979, 1078, 1246, 1441, 1519, 1834, 1958, 2387, 2759, 2882, 3038, 4061, 4361, 4774, 5518, 6419, 6853, 8122, 8722, 10087, 11659, 12838, 13706, 16709, 19313, 20174, 23318, 28427, 30349, 33418, 38626, 44671, 47971, 56854, 60698, 70609, 81613, 89342, 95942, 128249, 135191, 141218, 163226, 198989, 212443, 256498, 270382, 312697, 361429, 397978, 424886, 571291, 625394, 722858, 897743, 1142582, 1487101, 1795486, 2188879, 2530003, 2974202, 3975719, 4377758, 5060006, 6284201, 7951438, 12568402, 17710021, 27830033, 35420042, 55660066, 194810231, 389620462]

約数ペア:

[(1, 389620462), (2, 194810231), (7, 55660066), (11, 35420042), (14, 27830033), (22, 17710021), (31, 12568402), (49, 7951438), (62, 6284201), (77, 5060006), (89, 4377758), (98, 3975719), (131, 2974202), (154, 2530003), (178, 2188879), (217, 1795486), (262, 1487101), (341, 1142582), (434, 897743), (539, 722858), (623, 625394), (682, 571291), (917, 424886), (979, 397978), (1078, 361429), (1246, 312697), (1441, 270382), (1519, 256498), (1834, 212443), (1958, 198989), (2387, 163226), (2759, 141218), (2882, 135191), (3038, 128249), (4061, 95942), (4361, 89342), (4774, 81613), (5518, 70609), (6419, 60698), (6853, 56854), (8122, 47971), (8722, 44671), (10087, 38626), (11659, 33418), (12838, 30349), (13706, 28427), (16709, 23318), (19313, 20174)]