2197720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 5806080

約数和(自身を除く): 3608360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 167, 188, 235, 280, 329, 334, 376, 470, 658, 668, 835, 940, 1169, 1316, 1336, 1645, 1670, 1880, 2338, 2632, 3290, 3340, 4676, 5845, 6580, 6680, 7849, 9352, 11690, 13160, 15698, 23380, 31396, 39245, 46760, 54943, 62792, 78490, 109886, 156980, 219772, 274715, 313960, 439544, 549430, 1098860, 2197720]

約数ペア:

[(1, 2197720), (2, 1098860), (4, 549430), (5, 439544), (7, 313960), (8, 274715), (10, 219772), (14, 156980), (20, 109886), (28, 78490), (35, 62792), (40, 54943), (47, 46760), (56, 39245), (70, 31396), (94, 23380), (140, 15698), (167, 13160), (188, 11690), (235, 9352), (280, 7849), (329, 6680), (334, 6580), (376, 5845), (470, 4676), (658, 3340), (668, 3290), (835, 2632), (940, 2338), (1169, 1880), (1316, 1670), (1336, 1645)]