28346430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 78174720

約数和(自身を除く): 49828290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 347, 389, 694, 778, 1041, 1167, 1735, 1945, 2082, 2334, 2429, 2723, 3470, 3890, 4858, 5205, 5446, 5835, 7287, 8169, 10410, 11670, 12145, 13615, 14574, 16338, 24290, 27230, 36435, 40845, 72870, 81690, 134983, 269966, 404949, 674915, 809898, 944881, 1349830, 1889762, 2024745, 2834643, 4049490, 4724405, 5669286, 9448810, 14173215, 28346430]

約数ペア:

[(1, 28346430), (2, 14173215), (3, 9448810), (5, 5669286), (6, 4724405), (7, 4049490), (10, 2834643), (14, 2024745), (15, 1889762), (21, 1349830), (30, 944881), (35, 809898), (42, 674915), (70, 404949), (105, 269966), (210, 134983), (347, 81690), (389, 72870), (694, 40845), (778, 36435), (1041, 27230), (1167, 24290), (1735, 16338), (1945, 14574), (2082, 13615), (2334, 12145), (2429, 11670), (2723, 10410), (3470, 8169), (3890, 7287), (4858, 5835), (5205, 5446)]