978049101740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1\times {\mathrm{1382089}}^1$

素因数の和:1383002

約数の個数: 48

約数和(自身を含む): 2106437840640

約数和(自身を除く): 1128388738900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 863, 1726, 3452, 4315, 8630, 17260, 35383, 70766, 141532, 176915, 353830, 707660, 1382089, 2764178, 5528356, 6910445, 13820890, 27641780, 56665649, 113331298, 226662596, 283328245, 566656490, 1133312980, 1192742807, 2385485614, 4770971228, 5963714035, 11927428070, 23854856140, 48902455087, 97804910174, 195609820348, 244512275435, 489024550870, 978049101740]

約数ペア:

[(1, 978049101740), (2, 489024550870), (4, 244512275435), (5, 195609820348), (10, 97804910174), (20, 48902455087), (41, 23854856140), (82, 11927428070), (164, 5963714035), (205, 4770971228), (410, 2385485614), (820, 1192742807), (863, 1133312980), (1726, 566656490), (3452, 283328245), (4315, 226662596), (8630, 113331298), (17260, 56665649), (35383, 27641780), (70766, 13820890), (141532, 6910445), (176915, 5528356), (353830, 2764178), (707660, 1382089)]