1377889880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{4327}}^1$

素因数の和:4776

約数の個数: 64

約数和(自身を含む): 3271968000

約数和(自身を除く): 1894078120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 419, 760, 838, 1676, 2095, 3352, 4190, 4327, 7961, 8380, 8654, 15922, 16760, 17308, 21635, 31844, 34616, 39805, 43270, 63688, 79610, 82213, 86540, 159220, 164426, 173080, 318440, 328852, 411065, 657704, 822130, 1644260, 1813013, 3288520, 3626026, 7252052, 9065065, 14504104, 18130130, 34447247, 36260260, 68894494, 72520520, 137788988, 172236235, 275577976, 344472470, 688944940, 1377889880]

約数ペア:

[(1, 1377889880), (2, 688944940), (4, 344472470), (5, 275577976), (8, 172236235), (10, 137788988), (19, 72520520), (20, 68894494), (38, 36260260), (40, 34447247), (76, 18130130), (95, 14504104), (152, 9065065), (190, 7252052), (380, 3626026), (419, 3288520), (760, 1813013), (838, 1644260), (1676, 822130), (2095, 657704), (3352, 411065), (4190, 328852), (4327, 318440), (7961, 173080), (8380, 164426), (8654, 159220), (15922, 86540), (16760, 82213), (17308, 79610), (21635, 63688), (31844, 43270), (34616, 39805)]