312013975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 509967360

約数和(自身を除く): 197953385

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 67, 89, 91, 115, 161, 175, 299, 325, 335, 445, 455, 469, 575, 623, 805, 871, 1157, 1495, 1541, 1675, 2047, 2093, 2225, 2275, 2345, 3115, 4025, 4355, 5785, 5963, 6097, 7475, 7705, 8099, 10235, 10465, 10787, 11725, 14329, 15575, 20033, 21775, 26611, 28925, 29815, 30485, 38525, 40495, 41741, 51175, 52325, 53935, 71645, 77519, 100165, 133055, 137149, 140231, 149075, 152425, 186277, 202475, 208705, 269675, 358225, 387595, 500825, 542633, 665275, 685745, 701155, 931385, 960043, 1043525, 1782937, 1937975, 2713165, 3428725, 3505775, 4656925, 4800215, 8914685, 12480559, 13565825, 24001075, 44573425, 62402795, 312013975]

約数ペア:

[(1, 312013975), (5, 62402795), (7, 44573425), (13, 24001075), (23, 13565825), (25, 12480559), (35, 8914685), (65, 4800215), (67, 4656925), (89, 3505775), (91, 3428725), (115, 2713165), (161, 1937975), (175, 1782937), (299, 1043525), (325, 960043), (335, 931385), (445, 701155), (455, 685745), (469, 665275), (575, 542633), (623, 500825), (805, 387595), (871, 358225), (1157, 269675), (1495, 208705), (1541, 202475), (1675, 186277), (2047, 152425), (2093, 149075), (2225, 140231), (2275, 137149), (2345, 133055), (3115, 100165), (4025, 77519), (4355, 71645), (5785, 53935), (5963, 52325), (6097, 51175), (7475, 41741), (7705, 40495), (8099, 38525), (10235, 30485), (10465, 29815), (10787, 28925), (11725, 26611), (14329, 21775), (15575, 20033)]