17761940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 45386880

約数和(自身を除く): 27624940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 439, 476, 578, 595, 878, 1156, 1190, 1445, 1756, 2023, 2195, 2380, 2890, 3073, 4046, 4390, 5780, 6146, 7463, 8092, 8780, 10115, 12292, 14926, 15365, 20230, 29852, 30730, 37315, 40460, 52241, 61460, 74630, 104482, 126871, 149260, 208964, 253742, 261205, 507484, 522410, 634355, 888097, 1044820, 1268710, 1776194, 2537420, 3552388, 4440485, 8880970, 17761940]

約数ペア:

[(1, 17761940), (2, 8880970), (4, 4440485), (5, 3552388), (7, 2537420), (10, 1776194), (14, 1268710), (17, 1044820), (20, 888097), (28, 634355), (34, 522410), (35, 507484), (68, 261205), (70, 253742), (85, 208964), (119, 149260), (140, 126871), (170, 104482), (238, 74630), (289, 61460), (340, 52241), (439, 40460), (476, 37315), (578, 30730), (595, 29852), (878, 20230), (1156, 15365), (1190, 14926), (1445, 12292), (1756, 10115), (2023, 8780), (2195, 8092), (2380, 7463), (2890, 6146), (3073, 5780), (4046, 4390)]