898890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 2304288

約数和(自身を除く): 1405398

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 83, 95, 114, 166, 190, 249, 285, 361, 415, 498, 570, 722, 830, 1083, 1245, 1577, 1805, 2166, 2490, 3154, 3610, 4731, 5415, 7885, 9462, 10830, 15770, 23655, 29963, 47310, 59926, 89889, 149815, 179778, 299630, 449445, 898890]

約数ペア:

[(1, 898890), (2, 449445), (3, 299630), (5, 179778), (6, 149815), (10, 89889), (15, 59926), (19, 47310), (30, 29963), (38, 23655), (57, 15770), (83, 10830), (95, 9462), (114, 7885), (166, 5415), (190, 4731), (249, 3610), (285, 3154), (361, 2490), (415, 2166), (498, 1805), (570, 1577), (722, 1245), (830, 1083)]