89818890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{22511}}^1$

素因数の和:22547

約数の個数: 64

約数和(自身を含む): 259338240

約数和(自身を除く): 169519350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 22511, 45022, 67533, 112555, 135066, 157577, 225110, 315154, 337665, 427709, 472731, 675330, 787885, 855418, 945462, 1283127, 1575770, 2138545, 2363655, 2566254, 2993963, 4277090, 4727310, 5987926, 6415635, 8981889, 12831270, 14969815, 17963778, 29939630, 44909445, 89818890]

約数ペア:

[(1, 89818890), (2, 44909445), (3, 29939630), (5, 17963778), (6, 14969815), (7, 12831270), (10, 8981889), (14, 6415635), (15, 5987926), (19, 4727310), (21, 4277090), (30, 2993963), (35, 2566254), (38, 2363655), (42, 2138545), (57, 1575770), (70, 1283127), (95, 945462), (105, 855418), (114, 787885), (133, 675330), (190, 472731), (210, 427709), (266, 337665), (285, 315154), (399, 225110), (570, 157577), (665, 135066), (798, 112555), (1330, 67533), (1995, 45022), (3990, 22511)]