299479840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 144

約数和(自身を含む): 804384000

約数和(自身を除く): 504904160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 499, 605, 620, 682, 880, 968, 992, 998, 1210, 1240, 1364, 1705, 1760, 1936, 1996, 2420, 2480, 2495, 2728, 3410, 3751, 3872, 3992, 4840, 4960, 4990, 5456, 5489, 6820, 7502, 7984, 9680, 9980, 10912, 10978, 13640, 15004, 15469, 15968, 18755, 19360, 19960, 21956, 27280, 27445, 30008, 30938, 37510, 39920, 43912, 54560, 54890, 60016, 60379, 61876, 75020, 77345, 79840, 87824, 109780, 120032, 120758, 123752, 150040, 154690, 170159, 175648, 219560, 241516, 247504, 300080, 301895, 309380, 340318, 439120, 483032, 495008, 600160, 603790, 618760, 680636, 850795, 878240, 966064, 1207580, 1237520, 1361272, 1701590, 1871749, 1932128, 2415160, 2475040, 2722544, 3403180, 3743498, 4830320, 5445088, 6806360, 7486996, 9358745, 9660640, 13612720, 14973992, 18717490, 27225440, 29947984, 37434980, 59895968, 74869960, 149739920, 299479840]

約数ペア:

[(1, 299479840), (2, 149739920), (4, 74869960), (5, 59895968), (8, 37434980), (10, 29947984), (11, 27225440), (16, 18717490), (20, 14973992), (22, 13612720), (31, 9660640), (32, 9358745), (40, 7486996), (44, 6806360), (55, 5445088), (62, 4830320), (80, 3743498), (88, 3403180), (110, 2722544), (121, 2475040), (124, 2415160), (155, 1932128), (160, 1871749), (176, 1701590), (220, 1361272), (242, 1237520), (248, 1207580), (310, 966064), (341, 878240), (352, 850795), (440, 680636), (484, 618760), (496, 603790), (499, 600160), (605, 495008), (620, 483032), (682, 439120), (880, 340318), (968, 309380), (992, 301895), (998, 300080), (1210, 247504), (1240, 241516), (1364, 219560), (1705, 175648), (1760, 170159), (1936, 154690), (1996, 150040), (2420, 123752), (2480, 120758), (2495, 120032), (2728, 109780), (3410, 87824), (3751, 79840), (3872, 77345), (3992, 75020), (4840, 61876), (4960, 60379), (4990, 60016), (5456, 54890), (5489, 54560), (6820, 43912), (7502, 39920), (7984, 37510), (9680, 30938), (9980, 30008), (10912, 27445), (10978, 27280), (13640, 21956), (15004, 19960), (15469, 19360), (15968, 18755)]