520000884

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{123457}}^1$

素因数の和:123486

約数の個数: 60

約数和(自身を含む): 1463964964

約数和(自身を除く): 943964080

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 123457, 246914, 370371, 493828, 740742, 1111113, 1481484, 1604941, 2222226, 3209882, 3333339, 4444452, 4814823, 6419764, 6666678, 9629646, 10000017, 13333356, 14444469, 19259292, 20000034, 28888938, 40000068, 43333407, 57777876, 86666814, 130000221, 173333628, 260000442, 520000884]

約数ペア:

[(1, 520000884), (2, 260000442), (3, 173333628), (4, 130000221), (6, 86666814), (9, 57777876), (12, 43333407), (13, 40000068), (18, 28888938), (26, 20000034), (27, 19259292), (36, 14444469), (39, 13333356), (52, 10000017), (54, 9629646), (78, 6666678), (81, 6419764), (108, 4814823), (117, 4444452), (156, 3333339), (162, 3209882), (234, 2222226), (324, 1604941), (351, 1481484), (468, 1111113), (702, 740742), (1053, 493828), (1404, 370371), (2106, 246914), (4212, 123457)]