312724775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 451899648

約数和(自身を除く): 139174873

約数列:

[1, 5, 11, 17, 25, 55, 85, 151, 187, 275, 425, 443, 755, 935, 1661, 2215, 2567, 3775, 4675, 4873, 7531, 8305, 11075, 12835, 24365, 28237, 37655, 41525, 64175, 66893, 82841, 121825, 141185, 188275, 334465, 414205, 705925, 735823, 1137181, 1672325, 2071025, 3679115, 5685905, 12508991, 18395575, 28429525, 62544955, 312724775]

約数ペア:

[(1, 312724775), (5, 62544955), (11, 28429525), (17, 18395575), (25, 12508991), (55, 5685905), (85, 3679115), (151, 2071025), (187, 1672325), (275, 1137181), (425, 735823), (443, 705925), (755, 414205), (935, 334465), (1661, 188275), (2215, 141185), (2567, 121825), (3775, 82841), (4675, 66893), (4873, 64175), (7531, 41525), (8305, 37655), (11075, 28237), (12835, 24365)]