13979900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 33747840

約数和(自身を除く): 19767940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 179, 220, 275, 284, 355, 358, 550, 710, 716, 781, 895, 1100, 1420, 1562, 1775, 1790, 1969, 3124, 3550, 3580, 3905, 3938, 4475, 7100, 7810, 7876, 8950, 9845, 12709, 15620, 17900, 19525, 19690, 25418, 39050, 39380, 49225, 50836, 63545, 78100, 98450, 127090, 139799, 196900, 254180, 279598, 317725, 559196, 635450, 698995, 1270900, 1397990, 2795980, 3494975, 6989950, 13979900]

約数ペア:

[(1, 13979900), (2, 6989950), (4, 3494975), (5, 2795980), (10, 1397990), (11, 1270900), (20, 698995), (22, 635450), (25, 559196), (44, 317725), (50, 279598), (55, 254180), (71, 196900), (100, 139799), (110, 127090), (142, 98450), (179, 78100), (220, 63545), (275, 50836), (284, 49225), (355, 39380), (358, 39050), (550, 25418), (710, 19690), (716, 19525), (781, 17900), (895, 15620), (1100, 12709), (1420, 9845), (1562, 8950), (1775, 7876), (1790, 7810), (1969, 7100), (3124, 4475), (3550, 3938), (3580, 3905)]