1801275980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 4390149120

約数和(自身を除く): 2588873140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 151, 278, 302, 556, 604, 613, 695, 755, 973, 1057, 1226, 1390, 1510, 1946, 2114, 2452, 2780, 3020, 3065, 3892, 4228, 4291, 4865, 5285, 6130, 8582, 9730, 10570, 12260, 17164, 19460, 20989, 21140, 21455, 41978, 42910, 83956, 85207, 85820, 92563, 104945, 146923, 170414, 185126, 209890, 293846, 340828, 370252, 419780, 426035, 462815, 587692, 596449, 647941, 734615, 852070, 925630, 1192898, 1295882, 1469230, 1704140, 1851260, 2385796, 2591764, 2938460, 2982245, 3239705, 5964490, 6479410, 11928980, 12866257, 12958820, 25732514, 51465028, 64331285, 90063799, 128662570, 180127598, 257325140, 360255196, 450318995, 900637990, 1801275980]

約数ペア:

[(1, 1801275980), (2, 900637990), (4, 450318995), (5, 360255196), (7, 257325140), (10, 180127598), (14, 128662570), (20, 90063799), (28, 64331285), (35, 51465028), (70, 25732514), (139, 12958820), (140, 12866257), (151, 11928980), (278, 6479410), (302, 5964490), (556, 3239705), (604, 2982245), (613, 2938460), (695, 2591764), (755, 2385796), (973, 1851260), (1057, 1704140), (1226, 1469230), (1390, 1295882), (1510, 1192898), (1946, 925630), (2114, 852070), (2452, 734615), (2780, 647941), (3020, 596449), (3065, 587692), (3892, 462815), (4228, 426035), (4291, 419780), (4865, 370252), (5285, 340828), (6130, 293846), (8582, 209890), (9730, 185126), (10570, 170414), (12260, 146923), (17164, 104945), (19460, 92563), (20989, 85820), (21140, 85207), (21455, 83956), (41978, 42910)]