257112975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 514252800

約数和(自身を除く): 257139825

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 107, 115, 161, 175, 199, 321, 345, 483, 525, 535, 575, 597, 749, 805, 995, 1393, 1605, 1725, 2247, 2415, 2461, 2675, 2985, 3745, 4025, 4179, 4577, 4975, 6965, 7383, 8025, 11235, 12075, 12305, 13731, 14925, 17227, 18725, 20895, 21293, 22885, 32039, 34825, 36915, 51681, 56175, 61525, 63879, 68655, 86135, 96117, 104475, 106465, 114425, 149051, 160195, 184575, 258405, 319395, 343275, 430675, 447153, 480585, 489739, 532325, 745255, 800975, 1292025, 1469217, 1596975, 2235765, 2402925, 2448695, 3428173, 3726275, 7346085, 10284519, 11178825, 12243475, 17140865, 36730425, 51422595, 85704325, 257112975]

約数ペア:

[(1, 257112975), (3, 85704325), (5, 51422595), (7, 36730425), (15, 17140865), (21, 12243475), (23, 11178825), (25, 10284519), (35, 7346085), (69, 3726275), (75, 3428173), (105, 2448695), (107, 2402925), (115, 2235765), (161, 1596975), (175, 1469217), (199, 1292025), (321, 800975), (345, 745255), (483, 532325), (525, 489739), (535, 480585), (575, 447153), (597, 430675), (749, 343275), (805, 319395), (995, 258405), (1393, 184575), (1605, 160195), (1725, 149051), (2247, 114425), (2415, 106465), (2461, 104475), (2675, 96117), (2985, 86135), (3745, 68655), (4025, 63879), (4179, 61525), (4577, 56175), (4975, 51681), (6965, 36915), (7383, 34825), (8025, 32039), (11235, 22885), (12075, 21293), (12305, 20895), (13731, 18725), (14925, 17227)]