2454990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 6393600

約数和(自身を除く): 3938610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 59, 73, 95, 114, 118, 146, 177, 190, 219, 285, 295, 354, 365, 438, 570, 590, 730, 885, 1095, 1121, 1387, 1770, 2190, 2242, 2774, 3363, 4161, 4307, 5605, 6726, 6935, 8322, 8614, 11210, 12921, 13870, 16815, 20805, 21535, 25842, 33630, 41610, 43070, 64605, 81833, 129210, 163666, 245499, 409165, 490998, 818330, 1227495, 2454990]

約数ペア:

[(1, 2454990), (2, 1227495), (3, 818330), (5, 490998), (6, 409165), (10, 245499), (15, 163666), (19, 129210), (30, 81833), (38, 64605), (57, 43070), (59, 41610), (73, 33630), (95, 25842), (114, 21535), (118, 20805), (146, 16815), (177, 13870), (190, 12921), (219, 11210), (285, 8614), (295, 8322), (354, 6935), (365, 6726), (438, 5605), (570, 4307), (590, 4161), (730, 3363), (885, 2774), (1095, 2242), (1121, 2190), (1387, 1770)]