19430700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 56663040

約数和(自身を除く): 37232340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 239, 271, 300, 478, 542, 717, 813, 956, 1084, 1195, 1355, 1434, 1626, 2390, 2710, 2868, 3252, 3585, 4065, 4780, 5420, 5975, 6775, 7170, 8130, 11950, 13550, 14340, 16260, 17925, 20325, 23900, 27100, 35850, 40650, 64769, 71700, 81300, 129538, 194307, 259076, 323845, 388614, 647690, 777228, 971535, 1295380, 1619225, 1943070, 3238450, 3886140, 4857675, 6476900, 9715350, 19430700]

約数ペア:

[(1, 19430700), (2, 9715350), (3, 6476900), (4, 4857675), (5, 3886140), (6, 3238450), (10, 1943070), (12, 1619225), (15, 1295380), (20, 971535), (25, 777228), (30, 647690), (50, 388614), (60, 323845), (75, 259076), (100, 194307), (150, 129538), (239, 81300), (271, 71700), (300, 64769), (478, 40650), (542, 35850), (717, 27100), (813, 23900), (956, 20325), (1084, 17925), (1195, 16260), (1355, 14340), (1434, 13550), (1626, 11950), (2390, 8130), (2710, 7170), (2868, 6775), (3252, 5975), (3585, 5420), (4065, 4780)]