29881720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 74118240

約数和(自身を除く): 44236520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 601, 904, 1130, 1202, 1243, 2260, 2404, 2486, 3005, 4520, 4808, 4972, 6010, 6215, 6611, 9944, 12020, 12430, 13222, 24040, 24860, 26444, 33055, 49720, 52888, 66110, 67913, 132220, 135826, 264440, 271652, 339565, 543304, 679130, 747043, 1358260, 1494086, 2716520, 2988172, 3735215, 5976344, 7470430, 14940860, 29881720]

約数ペア:

[(1, 29881720), (2, 14940860), (4, 7470430), (5, 5976344), (8, 3735215), (10, 2988172), (11, 2716520), (20, 1494086), (22, 1358260), (40, 747043), (44, 679130), (55, 543304), (88, 339565), (110, 271652), (113, 264440), (220, 135826), (226, 132220), (440, 67913), (452, 66110), (565, 52888), (601, 49720), (904, 33055), (1130, 26444), (1202, 24860), (1243, 24040), (2260, 13222), (2404, 12430), (2486, 12020), (3005, 9944), (4520, 6611), (4808, 6215), (4972, 6010)]