98745680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^2$

素因数の和:237

約数の個数: 90

約数和(自身を含む): 254875614

約数和(自身を除く): 156129934

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 121, 176, 202, 220, 242, 404, 440, 484, 505, 605, 808, 880, 968, 1010, 1111, 1210, 1616, 1936, 2020, 2222, 2420, 4040, 4444, 4840, 5555, 8080, 8888, 9680, 10201, 11110, 12221, 17776, 20402, 22220, 24442, 40804, 44440, 48884, 51005, 61105, 81608, 88880, 97768, 102010, 112211, 122210, 163216, 195536, 204020, 224422, 244420, 408040, 448844, 488840, 561055, 816080, 897688, 977680, 1122110, 1234321, 1795376, 2244220, 2468642, 4488440, 4937284, 6171605, 8976880, 9874568, 12343210, 19749136, 24686420, 49372840, 98745680]

約数ペア:

[(1, 98745680), (2, 49372840), (4, 24686420), (5, 19749136), (8, 12343210), (10, 9874568), (11, 8976880), (16, 6171605), (20, 4937284), (22, 4488440), (40, 2468642), (44, 2244220), (55, 1795376), (80, 1234321), (88, 1122110), (101, 977680), (110, 897688), (121, 816080), (176, 561055), (202, 488840), (220, 448844), (242, 408040), (404, 244420), (440, 224422), (484, 204020), (505, 195536), (605, 163216), (808, 122210), (880, 112211), (968, 102010), (1010, 97768), (1111, 88880), (1210, 81608), (1616, 61105), (1936, 51005), (2020, 48884), (2222, 44440), (2420, 40804), (4040, 24442), (4444, 22220), (4840, 20402), (5555, 17776), (8080, 12221), (8888, 11110), (9680, 10201)]