389904360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 1214991360

約数和(自身を除く): 825087000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 281, 310, 372, 373, 465, 562, 620, 744, 746, 843, 930, 1119, 1124, 1240, 1405, 1492, 1686, 1860, 1865, 2238, 2248, 2810, 2984, 3372, 3720, 3730, 4215, 4476, 5595, 5620, 6744, 7460, 8430, 8711, 8952, 11190, 11240, 11563, 14920, 16860, 17422, 22380, 23126, 26133, 33720, 34689, 34844, 43555, 44760, 46252, 52266, 57815, 69378, 69688, 87110, 92504, 104532, 104813, 115630, 130665, 138756, 173445, 174220, 209064, 209626, 231260, 261330, 277512, 314439, 346890, 348440, 419252, 462520, 522660, 524065, 628878, 693780, 838504, 1045320, 1048130, 1257756, 1387560, 1572195, 2096260, 2515512, 3144390, 3249203, 4192520, 6288780, 6498406, 9747609, 12577560, 12996812, 16246015, 19495218, 25993624, 32492030, 38990436, 48738045, 64984060, 77980872, 97476090, 129968120, 194952180, 389904360]

約数ペア:

[(1, 389904360), (2, 194952180), (3, 129968120), (4, 97476090), (5, 77980872), (6, 64984060), (8, 48738045), (10, 38990436), (12, 32492030), (15, 25993624), (20, 19495218), (24, 16246015), (30, 12996812), (31, 12577560), (40, 9747609), (60, 6498406), (62, 6288780), (93, 4192520), (120, 3249203), (124, 3144390), (155, 2515512), (186, 2096260), (248, 1572195), (281, 1387560), (310, 1257756), (372, 1048130), (373, 1045320), (465, 838504), (562, 693780), (620, 628878), (744, 524065), (746, 522660), (843, 462520), (930, 419252), (1119, 348440), (1124, 346890), (1240, 314439), (1405, 277512), (1492, 261330), (1686, 231260), (1860, 209626), (1865, 209064), (2238, 174220), (2248, 173445), (2810, 138756), (2984, 130665), (3372, 115630), (3720, 104813), (3730, 104532), (4215, 92504), (4476, 87110), (5595, 69688), (5620, 69378), (6744, 57815), (7460, 52266), (8430, 46252), (8711, 44760), (8952, 43555), (11190, 34844), (11240, 34689), (11563, 33720), (14920, 26133), (16860, 23126), (17422, 22380)]