280017850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3089}}^1$

素因数の和:3152

約数の個数: 72

約数和(自身を含む): 622443420

約数和(自身を除く): 342425570

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 49, 50, 70, 74, 98, 175, 185, 245, 259, 350, 370, 490, 518, 925, 1225, 1295, 1813, 1850, 2450, 2590, 3089, 3626, 6178, 6475, 9065, 12950, 15445, 18130, 21623, 30890, 43246, 45325, 77225, 90650, 108115, 114293, 151361, 154450, 216230, 228586, 302722, 540575, 571465, 756805, 800051, 1081150, 1142930, 1513610, 1600102, 2857325, 3784025, 4000255, 5600357, 5714650, 7568050, 8000510, 11200714, 20001275, 28001785, 40002550, 56003570, 140008925, 280017850]

約数ペア:

[(1, 280017850), (2, 140008925), (5, 56003570), (7, 40002550), (10, 28001785), (14, 20001275), (25, 11200714), (35, 8000510), (37, 7568050), (49, 5714650), (50, 5600357), (70, 4000255), (74, 3784025), (98, 2857325), (175, 1600102), (185, 1513610), (245, 1142930), (259, 1081150), (350, 800051), (370, 756805), (490, 571465), (518, 540575), (925, 302722), (1225, 228586), (1295, 216230), (1813, 154450), (1850, 151361), (2450, 114293), (2590, 108115), (3089, 90650), (3626, 77225), (6178, 45325), (6475, 43246), (9065, 30890), (12950, 21623), (15445, 18130)]