28417752020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{8209}}^1$

素因数の和:8617

約数の個数: 96

約数和(自身を含む): 69295027200

約数和(自身を除く): 40877275180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 313, 316, 395, 553, 626, 790, 1106, 1252, 1565, 1580, 2191, 2212, 2765, 3130, 4382, 5530, 6260, 8209, 8764, 10955, 11060, 16418, 21910, 24727, 32836, 41045, 43820, 49454, 57463, 82090, 98908, 114926, 123635, 164180, 173089, 229852, 247270, 287315, 346178, 494540, 574630, 648511, 692356, 865445, 1149260, 1297022, 1730890, 2569417, 2594044, 3242555, 3461780, 4539577, 5138834, 6485110, 9079154, 10277668, 12847085, 12970220, 17985919, 18158308, 22697885, 25694170, 35971838, 45395770, 51388340, 71943676, 89929595, 90791540, 179859190, 202983943, 359718380, 405967886, 811935772, 1014919715, 1420887601, 2029839430, 2841775202, 4059678860, 5683550404, 7104438005, 14208876010, 28417752020]

約数ペア:

[(1, 28417752020), (2, 14208876010), (4, 7104438005), (5, 5683550404), (7, 4059678860), (10, 2841775202), (14, 2029839430), (20, 1420887601), (28, 1014919715), (35, 811935772), (70, 405967886), (79, 359718380), (140, 202983943), (158, 179859190), (313, 90791540), (316, 89929595), (395, 71943676), (553, 51388340), (626, 45395770), (790, 35971838), (1106, 25694170), (1252, 22697885), (1565, 18158308), (1580, 17985919), (2191, 12970220), (2212, 12847085), (2765, 10277668), (3130, 9079154), (4382, 6485110), (5530, 5138834), (6260, 4539577), (8209, 3461780), (8764, 3242555), (10955, 2594044), (11060, 2569417), (16418, 1730890), (21910, 1297022), (24727, 1149260), (32836, 865445), (41045, 692356), (43820, 648511), (49454, 574630), (57463, 494540), (82090, 346178), (98908, 287315), (114926, 247270), (123635, 229852), (164180, 173089)]