256082190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4937}}^1$

素因数の和:4986

約数の個数: 128

約数和(自身を含む): 796400640

約数和(自身を除く): 540318450

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1729, 1995, 2470, 2730, 3458, 3705, 3990, 4937, 5187, 7410, 8645, 9874, 10374, 14811, 17290, 24685, 25935, 29622, 34559, 49370, 51870, 64181, 69118, 74055, 93803, 103677, 128362, 148110, 172795, 187606, 192543, 207354, 281409, 320905, 345590, 385086, 449267, 469015, 518385, 562818, 641810, 656621, 898534, 938030, 962715, 1036770, 1219439, 1313242, 1347801, 1407045, 1925430, 1969863, 2246335, 2438878, 2695602, 2814090, 3283105, 3658317, 3939726, 4492670, 6097195, 6566210, 6739005, 7316634, 8536073, 9849315, 12194390, 13478010, 17072146, 18291585, 19698630, 25608219, 36583170, 42680365, 51216438, 85360730, 128041095, 256082190]

約数ペア:

[(1, 256082190), (2, 128041095), (3, 85360730), (5, 51216438), (6, 42680365), (7, 36583170), (10, 25608219), (13, 19698630), (14, 18291585), (15, 17072146), (19, 13478010), (21, 12194390), (26, 9849315), (30, 8536073), (35, 7316634), (38, 6739005), (39, 6566210), (42, 6097195), (57, 4492670), (65, 3939726), (70, 3658317), (78, 3283105), (91, 2814090), (95, 2695602), (105, 2438878), (114, 2246335), (130, 1969863), (133, 1925430), (182, 1407045), (190, 1347801), (195, 1313242), (210, 1219439), (247, 1036770), (266, 962715), (273, 938030), (285, 898534), (390, 656621), (399, 641810), (455, 562818), (494, 518385), (546, 469015), (570, 449267), (665, 385086), (741, 345590), (798, 320905), (910, 281409), (1235, 207354), (1330, 192543), (1365, 187606), (1482, 172795), (1729, 148110), (1995, 128362), (2470, 103677), (2730, 93803), (3458, 74055), (3705, 69118), (3990, 64181), (4937, 51870), (5187, 49370), (7410, 34559), (8645, 29622), (9874, 25935), (10374, 24685), (14811, 17290)]