28605640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 77906880

約数和(自身を除く): 49301240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 283, 361, 380, 532, 566, 665, 722, 760, 1064, 1132, 1330, 1415, 1444, 1805, 1981, 2264, 2527, 2660, 2830, 2888, 3610, 3962, 5054, 5320, 5377, 5660, 7220, 7924, 9905, 10108, 10754, 11320, 12635, 14440, 15848, 19810, 20216, 21508, 25270, 26885, 37639, 39620, 43016, 50540, 53770, 75278, 79240, 101080, 102163, 107540, 150556, 188195, 204326, 215080, 301112, 376390, 408652, 510815, 715141, 752780, 817304, 1021630, 1430282, 1505560, 2043260, 2860564, 3575705, 4086520, 5721128, 7151410, 14302820, 28605640]

約数ペア:

[(1, 28605640), (2, 14302820), (4, 7151410), (5, 5721128), (7, 4086520), (8, 3575705), (10, 2860564), (14, 2043260), (19, 1505560), (20, 1430282), (28, 1021630), (35, 817304), (38, 752780), (40, 715141), (56, 510815), (70, 408652), (76, 376390), (95, 301112), (133, 215080), (140, 204326), (152, 188195), (190, 150556), (266, 107540), (280, 102163), (283, 101080), (361, 79240), (380, 75278), (532, 53770), (566, 50540), (665, 43016), (722, 39620), (760, 37639), (1064, 26885), (1132, 25270), (1330, 21508), (1415, 20216), (1444, 19810), (1805, 15848), (1981, 14440), (2264, 12635), (2527, 11320), (2660, 10754), (2830, 10108), (2888, 9905), (3610, 7924), (3962, 7220), (5054, 5660), (5320, 5377)]