269597960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3823}}^1$

素因数の和:3918

約数の個数: 64

約数和(自身を含む): 636007680

約数和(自身を除く): 366409720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 3823, 7052, 7646, 8815, 14104, 15292, 17630, 19115, 30584, 35260, 38230, 70520, 76460, 152920, 156743, 164389, 313486, 328778, 626972, 657556, 783715, 821945, 1253944, 1315112, 1567430, 1643890, 3134860, 3287780, 6269720, 6575560, 6739949, 13479898, 26959796, 33699745, 53919592, 67399490, 134798980, 269597960]

約数ペア:

[(1, 269597960), (2, 134798980), (4, 67399490), (5, 53919592), (8, 33699745), (10, 26959796), (20, 13479898), (40, 6739949), (41, 6575560), (43, 6269720), (82, 3287780), (86, 3134860), (164, 1643890), (172, 1567430), (205, 1315112), (215, 1253944), (328, 821945), (344, 783715), (410, 657556), (430, 626972), (820, 328778), (860, 313486), (1640, 164389), (1720, 156743), (1763, 152920), (3526, 76460), (3823, 70520), (7052, 38230), (7646, 35260), (8815, 30584), (14104, 19115), (15292, 17630)]