7857850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 19748736

約数和(自身を除く): 11890886

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 91, 110, 130, 143, 154, 157, 175, 182, 275, 286, 314, 325, 350, 385, 455, 550, 650, 715, 770, 785, 910, 1001, 1099, 1430, 1570, 1727, 1925, 2002, 2041, 2198, 2275, 3454, 3575, 3850, 3925, 4082, 4550, 5005, 5495, 7150, 7850, 8635, 10010, 10205, 10990, 12089, 14287, 17270, 20410, 22451, 24178, 25025, 27475, 28574, 43175, 44902, 50050, 51025, 54950, 60445, 71435, 86350, 102050, 112255, 120890, 142870, 157157, 224510, 302225, 314314, 357175, 561275, 604450, 714350, 785785, 1122550, 1571570, 3928925, 7857850]

約数ペア:

[(1, 7857850), (2, 3928925), (5, 1571570), (7, 1122550), (10, 785785), (11, 714350), (13, 604450), (14, 561275), (22, 357175), (25, 314314), (26, 302225), (35, 224510), (50, 157157), (55, 142870), (65, 120890), (70, 112255), (77, 102050), (91, 86350), (110, 71435), (130, 60445), (143, 54950), (154, 51025), (157, 50050), (175, 44902), (182, 43175), (275, 28574), (286, 27475), (314, 25025), (325, 24178), (350, 22451), (385, 20410), (455, 17270), (550, 14287), (650, 12089), (715, 10990), (770, 10205), (785, 10010), (910, 8635), (1001, 7850), (1099, 7150), (1430, 5495), (1570, 5005), (1727, 4550), (1925, 4082), (2002, 3925), (2041, 3850), (2198, 3575), (2275, 3454)]