89816020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2477}}^1$

素因数の和:2537

約数の個数: 72

約数和(自身を含む): 225428616

約数和(自身を除く): 135612596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2477, 2590, 3626, 4954, 5180, 7252, 9065, 9908, 12385, 17339, 18130, 24770, 34678, 36260, 49540, 69356, 86695, 91649, 121373, 173390, 183298, 242746, 346780, 366596, 458245, 485492, 606865, 641543, 916490, 1213730, 1283086, 1832980, 2427460, 2566172, 3207715, 4490801, 6415430, 8981602, 12830860, 17963204, 22454005, 44908010, 89816020]

約数ペア:

[(1, 89816020), (2, 44908010), (4, 22454005), (5, 17963204), (7, 12830860), (10, 8981602), (14, 6415430), (20, 4490801), (28, 3207715), (35, 2566172), (37, 2427460), (49, 1832980), (70, 1283086), (74, 1213730), (98, 916490), (140, 641543), (148, 606865), (185, 485492), (196, 458245), (245, 366596), (259, 346780), (370, 242746), (490, 183298), (518, 173390), (740, 121373), (980, 91649), (1036, 86695), (1295, 69356), (1813, 49540), (2477, 36260), (2590, 34678), (3626, 24770), (4954, 18130), (5180, 17339), (7252, 12385), (9065, 9908)]