970018780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{11447}}^1$

素因数の和:11698

約数の個数: 48

約数和(自身を含む): 2154055680

約数和(自身を除く): 1184036900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 380, 446, 892, 1115, 2230, 4237, 4460, 8474, 11447, 16948, 21185, 22894, 42370, 45788, 57235, 84740, 114470, 217493, 228940, 434986, 869972, 1087465, 2174930, 2552681, 4349860, 5105362, 10210724, 12763405, 25526810, 48500939, 51053620, 97001878, 194003756, 242504695, 485009390, 970018780]

約数ペア:

[(1, 970018780), (2, 485009390), (4, 242504695), (5, 194003756), (10, 97001878), (19, 51053620), (20, 48500939), (38, 25526810), (76, 12763405), (95, 10210724), (190, 5105362), (223, 4349860), (380, 2552681), (446, 2174930), (892, 1087465), (1115, 869972), (2230, 434986), (4237, 228940), (4460, 217493), (8474, 114470), (11447, 84740), (16948, 57235), (21185, 45788), (22894, 42370)]