28902300280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3251}}^1\times {\mathrm{31751}}^1$

素因数の和:35020

約数の個数: 64

約数和(自身を含む): 74345402880

約数和(自身を除く): 45443102600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3251, 6502, 13004, 16255, 22757, 26008, 31751, 32510, 45514, 63502, 65020, 91028, 113785, 127004, 130040, 158755, 182056, 222257, 227570, 254008, 317510, 444514, 455140, 635020, 889028, 910280, 1111285, 1270040, 1778056, 2222570, 4445140, 8890280, 103222501, 206445002, 412890004, 516112505, 722557507, 825780008, 1032225010, 1445115014, 2064450020, 2890230028, 3612787535, 4128900040, 5780460056, 7225575070, 14451150140, 28902300280]

約数ペア:

[(1, 28902300280), (2, 14451150140), (4, 7225575070), (5, 5780460056), (7, 4128900040), (8, 3612787535), (10, 2890230028), (14, 2064450020), (20, 1445115014), (28, 1032225010), (35, 825780008), (40, 722557507), (56, 516112505), (70, 412890004), (140, 206445002), (280, 103222501), (3251, 8890280), (6502, 4445140), (13004, 2222570), (16255, 1778056), (22757, 1270040), (26008, 1111285), (31751, 910280), (32510, 889028), (45514, 635020), (63502, 455140), (65020, 444514), (91028, 317510), (113785, 254008), (127004, 227570), (130040, 222257), (158755, 182056)]