28588220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1862

約数の個数: 48

約数和(自身を含む): 64955520

約数和(自身を除く): 36367300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1789, 3196, 3578, 3995, 7156, 7990, 8945, 15980, 17890, 30413, 35780, 60826, 84083, 121652, 152065, 168166, 304130, 336332, 420415, 608260, 840830, 1429411, 1681660, 2858822, 5717644, 7147055, 14294110, 28588220]

約数ペア:

[(1, 28588220), (2, 14294110), (4, 7147055), (5, 5717644), (10, 2858822), (17, 1681660), (20, 1429411), (34, 840830), (47, 608260), (68, 420415), (85, 336332), (94, 304130), (170, 168166), (188, 152065), (235, 121652), (340, 84083), (470, 60826), (799, 35780), (940, 30413), (1598, 17890), (1789, 15980), (3196, 8945), (3578, 7990), (3995, 7156)]