28978290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 85034880

約数和(自身を除く): 56056590

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 121, 135, 165, 198, 242, 270, 297, 330, 363, 495, 594, 605, 726, 887, 990, 1089, 1210, 1485, 1774, 1815, 2178, 2661, 2970, 3267, 3630, 4435, 5322, 5445, 6534, 7983, 8870, 9757, 10890, 13305, 15966, 16335, 19514, 23949, 26610, 29271, 32670, 39915, 47898, 48785, 58542, 79830, 87813, 97570, 107327, 119745, 146355, 175626, 214654, 239490, 263439, 292710, 321981, 439065, 526878, 536635, 643962, 878130, 965943, 1073270, 1317195, 1609905, 1931886, 2634390, 2897829, 3219810, 4829715, 5795658, 9659430, 14489145, 28978290]

約数ペア:

[(1, 28978290), (2, 14489145), (3, 9659430), (5, 5795658), (6, 4829715), (9, 3219810), (10, 2897829), (11, 2634390), (15, 1931886), (18, 1609905), (22, 1317195), (27, 1073270), (30, 965943), (33, 878130), (45, 643962), (54, 536635), (55, 526878), (66, 439065), (90, 321981), (99, 292710), (110, 263439), (121, 239490), (135, 214654), (165, 175626), (198, 146355), (242, 119745), (270, 107327), (297, 97570), (330, 87813), (363, 79830), (495, 58542), (594, 48785), (605, 47898), (726, 39915), (887, 32670), (990, 29271), (1089, 26610), (1210, 23949), (1485, 19514), (1774, 16335), (1815, 15966), (2178, 13305), (2661, 10890), (2970, 9757), (3267, 8870), (3630, 7983), (4435, 6534), (5322, 5445)]