2490444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 7250880

約数和(自身を除く): 4760436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 331, 342, 396, 418, 627, 662, 684, 836, 993, 1254, 1324, 1881, 1986, 2508, 2979, 3641, 3762, 3972, 5958, 6289, 7282, 7524, 10923, 11916, 12578, 14564, 18867, 21846, 25156, 32769, 37734, 43692, 56601, 65538, 69179, 75468, 113202, 131076, 138358, 207537, 226404, 276716, 415074, 622611, 830148, 1245222, 2490444]

約数ペア:

[(1, 2490444), (2, 1245222), (3, 830148), (4, 622611), (6, 415074), (9, 276716), (11, 226404), (12, 207537), (18, 138358), (19, 131076), (22, 113202), (33, 75468), (36, 69179), (38, 65538), (44, 56601), (57, 43692), (66, 37734), (76, 32769), (99, 25156), (114, 21846), (132, 18867), (171, 14564), (198, 12578), (209, 11916), (228, 10923), (331, 7524), (342, 7282), (396, 6289), (418, 5958), (627, 3972), (662, 3762), (684, 3641), (836, 2979), (993, 2508), (1254, 1986), (1324, 1881)]