1399687820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{118819}}^1$

素因数の和:118878

約数の個数: 48

約数和(自身を含む): 3193881600

約数和(自身を除く): 1794193780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 118819, 237638, 475276, 594095, 1188190, 2257561, 2376380, 3683389, 4515122, 7366778, 9030244, 11287805, 14733556, 18416945, 22575610, 36833890, 45151220, 69984391, 73667780, 139968782, 279937564, 349921955, 699843910, 1399687820]

約数ペア:

[(1, 1399687820), (2, 699843910), (4, 349921955), (5, 279937564), (10, 139968782), (19, 73667780), (20, 69984391), (31, 45151220), (38, 36833890), (62, 22575610), (76, 18416945), (95, 14733556), (124, 11287805), (155, 9030244), (190, 7366778), (310, 4515122), (380, 3683389), (589, 2376380), (620, 2257561), (1178, 1188190), (2356, 594095), (2945, 475276), (5890, 237638), (11780, 118819)]