7232225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 12790848

約数和(自身を除く): 5558623

約数列:

[1, 5, 7, 11, 13, 17, 25, 35, 55, 65, 77, 85, 91, 119, 143, 175, 187, 221, 275, 289, 325, 385, 425, 455, 595, 715, 935, 1001, 1105, 1309, 1445, 1547, 1925, 2023, 2275, 2431, 2975, 3179, 3575, 3757, 4675, 5005, 5525, 6545, 7225, 7735, 10115, 12155, 15895, 17017, 18785, 22253, 25025, 26299, 32725, 38675, 41327, 50575, 60775, 79475, 85085, 93925, 111265, 131495, 206635, 289289, 425425, 556325, 657475, 1033175, 1446445, 7232225]

約数ペア:

[(1, 7232225), (5, 1446445), (7, 1033175), (11, 657475), (13, 556325), (17, 425425), (25, 289289), (35, 206635), (55, 131495), (65, 111265), (77, 93925), (85, 85085), (91, 79475), (119, 60775), (143, 50575), (175, 41327), (187, 38675), (221, 32725), (275, 26299), (289, 25025), (325, 22253), (385, 18785), (425, 17017), (455, 15895), (595, 12155), (715, 10115), (935, 7735), (1001, 7225), (1105, 6545), (1309, 5525), (1445, 5005), (1547, 4675), (1925, 3757), (2023, 3575), (2275, 3179), (2431, 2975)]