258549340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 680762880

約数和(自身を除く): 422213540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 71, 74, 76, 95, 133, 140, 142, 148, 185, 190, 259, 266, 284, 355, 370, 380, 497, 518, 532, 665, 703, 710, 740, 994, 1036, 1295, 1330, 1349, 1369, 1406, 1420, 1988, 2485, 2590, 2627, 2660, 2698, 2738, 2812, 3515, 4921, 4970, 5180, 5254, 5396, 5476, 6745, 6845, 7030, 9443, 9583, 9842, 9940, 10508, 13135, 13490, 13690, 14060, 18389, 18886, 19166, 19684, 24605, 26011, 26270, 26980, 27380, 36778, 37772, 38332, 47215, 47915, 49210, 49913, 52022, 52540, 73556, 91945, 94430, 95830, 97199, 98420, 99826, 104044, 130055, 182077, 183890, 188860, 191660, 194398, 199652, 249565, 260110, 349391, 364154, 367780, 388796, 485995, 499130, 520220, 680393, 698782, 728308, 910385, 971990, 998260, 1360786, 1397564, 1746955, 1820770, 1846781, 1943980, 2721572, 3401965, 3493910, 3641540, 3693562, 6803930, 6987820, 7387124, 9233905, 12927467, 13607860, 18467810, 25854934, 36935620, 51709868, 64637335, 129274670, 258549340]

約数ペア:

[(1, 258549340), (2, 129274670), (4, 64637335), (5, 51709868), (7, 36935620), (10, 25854934), (14, 18467810), (19, 13607860), (20, 12927467), (28, 9233905), (35, 7387124), (37, 6987820), (38, 6803930), (70, 3693562), (71, 3641540), (74, 3493910), (76, 3401965), (95, 2721572), (133, 1943980), (140, 1846781), (142, 1820770), (148, 1746955), (185, 1397564), (190, 1360786), (259, 998260), (266, 971990), (284, 910385), (355, 728308), (370, 698782), (380, 680393), (497, 520220), (518, 499130), (532, 485995), (665, 388796), (703, 367780), (710, 364154), (740, 349391), (994, 260110), (1036, 249565), (1295, 199652), (1330, 194398), (1349, 191660), (1369, 188860), (1406, 183890), (1420, 182077), (1988, 130055), (2485, 104044), (2590, 99826), (2627, 98420), (2660, 97199), (2698, 95830), (2738, 94430), (2812, 91945), (3515, 73556), (4921, 52540), (4970, 52022), (5180, 49913), (5254, 49210), (5396, 47915), (5476, 47215), (6745, 38332), (6845, 37772), (7030, 36778), (9443, 27380), (9583, 26980), (9842, 26270), (9940, 26011), (10508, 24605), (13135, 19684), (13490, 19166), (13690, 18886), (14060, 18389)]