1900523555

素因数分解:

$5^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 2831474880

約数和(自身を除く): 930951325

約数列:

[1, 5, 7, 29, 35, 49, 53, 103, 145, 203, 245, 265, 343, 371, 515, 721, 1015, 1421, 1537, 1715, 1855, 2401, 2597, 2987, 3605, 5047, 5459, 7105, 7685, 9947, 10759, 12005, 12985, 14935, 18179, 20909, 25235, 27295, 35329, 38213, 49735, 53795, 69629, 75313, 90895, 104545, 127253, 146363, 158311, 176645, 191065, 247303, 267491, 348145, 376565, 527191, 636265, 731815, 791555, 1024541, 1108177, 1236515, 1337455, 1872437, 2635955, 3690337, 5122705, 5540885, 7171787, 7757239, 9362185, 13107059, 18451685, 35858935, 38786195, 54300673, 65535295, 271503365, 380104711, 1900523555]

約数ペア:

[(1, 1900523555), (5, 380104711), (7, 271503365), (29, 65535295), (35, 54300673), (49, 38786195), (53, 35858935), (103, 18451685), (145, 13107059), (203, 9362185), (245, 7757239), (265, 7171787), (343, 5540885), (371, 5122705), (515, 3690337), (721, 2635955), (1015, 1872437), (1421, 1337455), (1537, 1236515), (1715, 1108177), (1855, 1024541), (2401, 791555), (2597, 731815), (2987, 636265), (3605, 527191), (5047, 376565), (5459, 348145), (7105, 267491), (7685, 247303), (9947, 191065), (10759, 176645), (12005, 158311), (12985, 146363), (14935, 127253), (18179, 104545), (20909, 90895), (25235, 75313), (27295, 69629), (35329, 53795), (38213, 49735)]