264964975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 403085808

約数和(自身を除く): 138120833

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 157, 187, 209, 275, 323, 361, 425, 475, 785, 935, 1045, 1615, 1727, 1805, 2669, 2983, 3553, 3925, 3971, 4675, 5225, 6137, 8075, 8635, 9025, 13345, 14915, 17765, 19855, 29359, 30685, 32813, 43175, 50711, 56677, 66725, 67507, 74575, 88825, 99275, 146795, 153425, 164065, 253555, 283385, 337535, 557821, 623447, 733975, 820325, 963509, 1267775, 1416925, 1687675, 2789105, 3117235, 4817545, 10598599, 13945525, 15586175, 24087725, 52992995, 264964975]

約数ペア:

[(1, 264964975), (5, 52992995), (11, 24087725), (17, 15586175), (19, 13945525), (25, 10598599), (55, 4817545), (85, 3117235), (95, 2789105), (157, 1687675), (187, 1416925), (209, 1267775), (275, 963509), (323, 820325), (361, 733975), (425, 623447), (475, 557821), (785, 337535), (935, 283385), (1045, 253555), (1615, 164065), (1727, 153425), (1805, 146795), (2669, 99275), (2983, 88825), (3553, 74575), (3925, 67507), (3971, 66725), (4675, 56677), (5225, 50711), (6137, 43175), (8075, 32813), (8635, 30685), (9025, 29359), (13345, 19855), (14915, 17765)]