309359680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{138107}}^1$

素因数の和:138131

約数の個数: 56

約数和(自身を含む): 841906368

約数和(自身を除く): 532546688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 138107, 276214, 552428, 690535, 966749, 1104856, 1381070, 1933498, 2209712, 2762140, 3866996, 4419424, 4833745, 5524280, 7733992, 8838848, 9667490, 11048560, 15467984, 19334980, 22097120, 30935968, 38669960, 44194240, 61871936, 77339920, 154679840, 309359680]

約数ペア:

[(1, 309359680), (2, 154679840), (4, 77339920), (5, 61871936), (7, 44194240), (8, 38669960), (10, 30935968), (14, 22097120), (16, 19334980), (20, 15467984), (28, 11048560), (32, 9667490), (35, 8838848), (40, 7733992), (56, 5524280), (64, 4833745), (70, 4419424), (80, 3866996), (112, 2762140), (140, 2209712), (160, 1933498), (224, 1381070), (280, 1104856), (320, 966749), (448, 690535), (560, 552428), (1120, 276214), (2240, 138107)]