1976644810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{20477}}^1$

素因数の和:20695

約数の個数: 48

約数和(自身を含む): 4160064744

約数和(自身を除く): 2183419934

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 394, 490, 985, 1379, 1970, 2758, 6895, 9653, 13790, 19306, 20477, 40954, 48265, 96530, 102385, 143339, 204770, 286678, 716695, 1003373, 1433390, 2006746, 4033969, 5016865, 8067938, 10033730, 20169845, 28237783, 40339690, 56475566, 141188915, 197664481, 282377830, 395328962, 988322405, 1976644810]

約数ペア:

[(1, 1976644810), (2, 988322405), (5, 395328962), (7, 282377830), (10, 197664481), (14, 141188915), (35, 56475566), (49, 40339690), (70, 28237783), (98, 20169845), (197, 10033730), (245, 8067938), (394, 5016865), (490, 4033969), (985, 2006746), (1379, 1433390), (1970, 1003373), (2758, 716695), (6895, 286678), (9653, 204770), (13790, 143339), (19306, 102385), (20477, 96530), (40954, 48265)]