1208798890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 2386298880

約数和(自身を除く): 1177499990

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 191, 382, 445, 547, 890, 955, 1094, 1157, 1910, 2314, 2483, 2735, 4966, 5470, 5785, 7111, 11570, 12415, 14222, 16999, 24830, 33998, 35555, 48683, 71110, 84995, 97366, 104477, 169990, 208954, 220987, 243415, 441974, 486830, 522385, 632879, 1044770, 1104935, 1265758, 1358201, 2209870, 2716402, 3164395, 6328790, 6791005, 9298453, 13582010, 18596906, 46492265, 92984530, 120879889, 241759778, 604399445, 1208798890]

約数ペア:

[(1, 1208798890), (2, 604399445), (5, 241759778), (10, 120879889), (13, 92984530), (26, 46492265), (65, 18596906), (89, 13582010), (130, 9298453), (178, 6791005), (191, 6328790), (382, 3164395), (445, 2716402), (547, 2209870), (890, 1358201), (955, 1265758), (1094, 1104935), (1157, 1044770), (1910, 632879), (2314, 522385), (2483, 486830), (2735, 441974), (4966, 243415), (5470, 220987), (5785, 208954), (7111, 169990), (11570, 104477), (12415, 97366), (14222, 84995), (16999, 71110), (24830, 48683), (33998, 35555)]