2008234375

素因数分解:

$5^6\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 84

約数和(自身を含む): 3036992376

約数和(自身を除く): 1028758001

約数列:

[1, 5, 7, 25, 35, 43, 49, 61, 125, 175, 215, 245, 301, 305, 427, 625, 875, 1075, 1225, 1505, 1525, 2107, 2135, 2623, 2989, 3125, 4375, 5375, 6125, 7525, 7625, 10535, 10675, 13115, 14945, 15625, 18361, 21875, 26875, 30625, 37625, 38125, 52675, 53375, 65575, 74725, 91805, 109375, 128527, 134375, 153125, 188125, 190625, 263375, 266875, 327875, 373625, 459025, 642635, 671875, 765625, 940625, 953125, 1316875, 1334375, 1639375, 1868125, 2295125, 3213175, 4703125, 6584375, 6671875, 8196875, 9340625, 11475625, 16065875, 32921875, 40984375, 46703125, 57378125, 80329375, 286890625, 401646875, 2008234375]

約数ペア:

[(1, 2008234375), (5, 401646875), (7, 286890625), (25, 80329375), (35, 57378125), (43, 46703125), (49, 40984375), (61, 32921875), (125, 16065875), (175, 11475625), (215, 9340625), (245, 8196875), (301, 6671875), (305, 6584375), (427, 4703125), (625, 3213175), (875, 2295125), (1075, 1868125), (1225, 1639375), (1505, 1334375), (1525, 1316875), (2107, 953125), (2135, 940625), (2623, 765625), (2989, 671875), (3125, 642635), (4375, 459025), (5375, 373625), (6125, 327875), (7525, 266875), (7625, 263375), (10535, 190625), (10675, 188125), (13115, 153125), (14945, 134375), (15625, 128527), (18361, 109375), (21875, 91805), (26875, 74725), (30625, 65575), (37625, 53375), (38125, 52675)]