242553520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2729}}^1$

素因数の和:2854

約数の個数: 80

約数和(自身を含む): 621522720

約数和(自身を除く): 378969200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 2020, 2222, 2729, 4040, 4444, 5458, 5555, 8080, 8888, 10916, 11110, 13645, 17776, 21832, 22220, 27290, 30019, 43664, 44440, 54580, 60038, 88880, 109160, 120076, 150095, 218320, 240152, 275629, 300190, 480304, 551258, 600380, 1102516, 1200760, 1378145, 2205032, 2401520, 2756290, 3031919, 4410064, 5512580, 6063838, 11025160, 12127676, 15159595, 22050320, 24255352, 30319190, 48510704, 60638380, 121276760, 242553520]

約数ペア:

[(1, 242553520), (2, 121276760), (4, 60638380), (5, 48510704), (8, 30319190), (10, 24255352), (11, 22050320), (16, 15159595), (20, 12127676), (22, 11025160), (40, 6063838), (44, 5512580), (55, 4410064), (80, 3031919), (88, 2756290), (101, 2401520), (110, 2205032), (176, 1378145), (202, 1200760), (220, 1102516), (404, 600380), (440, 551258), (505, 480304), (808, 300190), (880, 275629), (1010, 240152), (1111, 218320), (1616, 150095), (2020, 120076), (2222, 109160), (2729, 88880), (4040, 60038), (4444, 54580), (5458, 44440), (5555, 43664), (8080, 30019), (8888, 27290), (10916, 22220), (11110, 21832), (13645, 17776)]