7430840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 17962560

約数和(自身を除く): 10531720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 197, 205, 230, 328, 394, 410, 460, 788, 820, 920, 943, 985, 1576, 1640, 1886, 1970, 3772, 3940, 4531, 4715, 7544, 7880, 8077, 9062, 9430, 16154, 18124, 18860, 22655, 32308, 36248, 37720, 40385, 45310, 64616, 80770, 90620, 161540, 181240, 185771, 323080, 371542, 743084, 928855, 1486168, 1857710, 3715420, 7430840]

約数ペア:

[(1, 7430840), (2, 3715420), (4, 1857710), (5, 1486168), (8, 928855), (10, 743084), (20, 371542), (23, 323080), (40, 185771), (41, 181240), (46, 161540), (82, 90620), (92, 80770), (115, 64616), (164, 45310), (184, 40385), (197, 37720), (205, 36248), (230, 32308), (328, 22655), (394, 18860), (410, 18124), (460, 16154), (788, 9430), (820, 9062), (920, 8077), (943, 7880), (985, 7544), (1576, 4715), (1640, 4531), (1886, 3940), (1970, 3772)]