78392000

素因数分解:

$2^6\times 5^3\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 112

約数和(自身を含む): 199704960

約数和(自身を除く): 121312960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 125, 160, 164, 200, 205, 239, 250, 320, 328, 400, 410, 478, 500, 656, 800, 820, 956, 1000, 1025, 1195, 1312, 1600, 1640, 1912, 2000, 2050, 2390, 2624, 3280, 3824, 4000, 4100, 4780, 5125, 5975, 6560, 7648, 8000, 8200, 9560, 9799, 10250, 11950, 13120, 15296, 16400, 19120, 19598, 20500, 23900, 29875, 32800, 38240, 39196, 41000, 47800, 48995, 59750, 65600, 76480, 78392, 82000, 95600, 97990, 119500, 156784, 164000, 191200, 195980, 239000, 244975, 313568, 328000, 382400, 391960, 478000, 489950, 627136, 783920, 956000, 979900, 1224875, 1567840, 1912000, 1959800, 2449750, 3135680, 3919600, 4899500, 7839200, 9799000, 15678400, 19598000, 39196000, 78392000]

約数ペア:

[(1, 78392000), (2, 39196000), (4, 19598000), (5, 15678400), (8, 9799000), (10, 7839200), (16, 4899500), (20, 3919600), (25, 3135680), (32, 2449750), (40, 1959800), (41, 1912000), (50, 1567840), (64, 1224875), (80, 979900), (82, 956000), (100, 783920), (125, 627136), (160, 489950), (164, 478000), (200, 391960), (205, 382400), (239, 328000), (250, 313568), (320, 244975), (328, 239000), (400, 195980), (410, 191200), (478, 164000), (500, 156784), (656, 119500), (800, 97990), (820, 95600), (956, 82000), (1000, 78392), (1025, 76480), (1195, 65600), (1312, 59750), (1600, 48995), (1640, 47800), (1912, 41000), (2000, 39196), (2050, 38240), (2390, 32800), (2624, 29875), (3280, 23900), (3824, 20500), (4000, 19598), (4100, 19120), (4780, 16400), (5125, 15296), (5975, 13120), (6560, 11950), (7648, 10250), (8000, 9799), (8200, 9560)]