200721255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 379883520

約数和(自身を除く): 179162265

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 89, 105, 141, 235, 267, 329, 445, 457, 623, 705, 987, 1335, 1371, 1645, 1869, 2285, 3115, 3199, 4183, 4935, 6855, 9345, 9597, 12549, 15995, 20915, 21479, 29281, 40673, 47985, 62745, 64437, 87843, 107395, 122019, 146405, 150353, 203365, 284711, 322185, 439215, 451059, 610095, 751765, 854133, 1423555, 1911631, 2255295, 4270665, 5734893, 9558155, 13381417, 28674465, 40144251, 66907085, 200721255]

約数ペア:

[(1, 200721255), (3, 66907085), (5, 40144251), (7, 28674465), (15, 13381417), (21, 9558155), (35, 5734893), (47, 4270665), (89, 2255295), (105, 1911631), (141, 1423555), (235, 854133), (267, 751765), (329, 610095), (445, 451059), (457, 439215), (623, 322185), (705, 284711), (987, 203365), (1335, 150353), (1371, 146405), (1645, 122019), (1869, 107395), (2285, 87843), (3115, 64437), (3199, 62745), (4183, 47985), (4935, 40673), (6855, 29281), (9345, 21479), (9597, 20915), (12549, 15995)]