389961648

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:872

約数の個数: 160

約数和(自身を含む): 1188177920

約数和(自身を除く): 798216272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 37, 48, 54, 62, 72, 74, 93, 108, 111, 124, 144, 148, 186, 216, 222, 248, 279, 296, 333, 372, 432, 444, 496, 558, 592, 666, 744, 787, 837, 888, 999, 1116, 1147, 1332, 1488, 1574, 1674, 1776, 1998, 2232, 2294, 2361, 2664, 3148, 3348, 3441, 3996, 4464, 4588, 4722, 5328, 6296, 6696, 6882, 7083, 7992, 9176, 9444, 10323, 12592, 13392, 13764, 14166, 15984, 18352, 18888, 20646, 21249, 24397, 27528, 28332, 29119, 30969, 37776, 41292, 42498, 48794, 55056, 56664, 58238, 61938, 73191, 82584, 84996, 87357, 97588, 113328, 116476, 123876, 146382, 165168, 169992, 174714, 195176, 219573, 232952, 247752, 262071, 292764, 339984, 349428, 390352, 439146, 465904, 495504, 524142, 585528, 658719, 698856, 786213, 878292, 902689, 1048284, 1171056, 1317438, 1397712, 1572426, 1756584, 1805378, 2096568, 2634876, 2708067, 3144852, 3513168, 3610756, 4193136, 5269752, 5416134, 6289704, 7221512, 8124201, 10539504, 10832268, 12579408, 14443024, 16248402, 21664536, 24372603, 32496804, 43329072, 48745206, 64993608, 97490412, 129987216, 194980824, 389961648]

約数ペア:

[(1, 389961648), (2, 194980824), (3, 129987216), (4, 97490412), (6, 64993608), (8, 48745206), (9, 43329072), (12, 32496804), (16, 24372603), (18, 21664536), (24, 16248402), (27, 14443024), (31, 12579408), (36, 10832268), (37, 10539504), (48, 8124201), (54, 7221512), (62, 6289704), (72, 5416134), (74, 5269752), (93, 4193136), (108, 3610756), (111, 3513168), (124, 3144852), (144, 2708067), (148, 2634876), (186, 2096568), (216, 1805378), (222, 1756584), (248, 1572426), (279, 1397712), (296, 1317438), (333, 1171056), (372, 1048284), (432, 902689), (444, 878292), (496, 786213), (558, 698856), (592, 658719), (666, 585528), (744, 524142), (787, 495504), (837, 465904), (888, 439146), (999, 390352), (1116, 349428), (1147, 339984), (1332, 292764), (1488, 262071), (1574, 247752), (1674, 232952), (1776, 219573), (1998, 195176), (2232, 174714), (2294, 169992), (2361, 165168), (2664, 146382), (3148, 123876), (3348, 116476), (3441, 113328), (3996, 97588), (4464, 87357), (4588, 84996), (4722, 82584), (5328, 73191), (6296, 61938), (6696, 58238), (6882, 56664), (7083, 55056), (7992, 48794), (9176, 42498), (9444, 41292), (10323, 37776), (12592, 30969), (13392, 29119), (13764, 28332), (14166, 27528), (15984, 24397), (18352, 21249), (18888, 20646)]