204299920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7489}}^1$

素因数の和:7544

約数の個数: 80

約数和(自身を含む): 534965760

約数和(自身を除く): 330665840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 7489, 13640, 14978, 27280, 29956, 37445, 59912, 74890, 82379, 119824, 149780, 164758, 232159, 299560, 329516, 411895, 464318, 599120, 659032, 823790, 928636, 1160795, 1318064, 1647580, 1857272, 2321590, 2553749, 3295160, 3714544, 4643180, 5107498, 6590320, 9286360, 10214996, 12768745, 18572720, 20429992, 25537490, 40859984, 51074980, 102149960, 204299920]

約数ペア:

[(1, 204299920), (2, 102149960), (4, 51074980), (5, 40859984), (8, 25537490), (10, 20429992), (11, 18572720), (16, 12768745), (20, 10214996), (22, 9286360), (31, 6590320), (40, 5107498), (44, 4643180), (55, 3714544), (62, 3295160), (80, 2553749), (88, 2321590), (110, 1857272), (124, 1647580), (155, 1318064), (176, 1160795), (220, 928636), (248, 823790), (310, 659032), (341, 599120), (440, 464318), (496, 411895), (620, 329516), (682, 299560), (880, 232159), (1240, 164758), (1364, 149780), (1705, 119824), (2480, 82379), (2728, 74890), (3410, 59912), (5456, 37445), (6820, 29956), (7489, 27280), (13640, 14978)]