27909860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 67925760

約数和(自身を除く): 40015900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 607, 836, 1045, 1210, 1214, 2090, 2299, 2420, 2428, 3035, 4180, 4598, 6070, 6677, 9196, 11495, 11533, 12140, 13354, 22990, 23066, 26708, 33385, 45980, 46132, 57665, 66770, 73447, 115330, 126863, 133540, 146894, 230660, 253726, 293788, 367235, 507452, 634315, 734470, 1268630, 1395493, 1468940, 2537260, 2790986, 5581972, 6977465, 13954930, 27909860]

約数ペア:

[(1, 27909860), (2, 13954930), (4, 6977465), (5, 5581972), (10, 2790986), (11, 2537260), (19, 1468940), (20, 1395493), (22, 1268630), (38, 734470), (44, 634315), (55, 507452), (76, 367235), (95, 293788), (110, 253726), (121, 230660), (190, 146894), (209, 133540), (220, 126863), (242, 115330), (380, 73447), (418, 66770), (484, 57665), (605, 46132), (607, 45980), (836, 33385), (1045, 26708), (1210, 23066), (1214, 22990), (2090, 13354), (2299, 12140), (2420, 11533), (2428, 11495), (3035, 9196), (4180, 6677), (4598, 6070)]