205635640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 567336960

約数和(自身を除く): 361701320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 140, 148, 161, 184, 185, 230, 259, 280, 296, 322, 370, 460, 518, 644, 740, 805, 851, 863, 920, 1036, 1288, 1295, 1480, 1610, 1702, 1726, 2072, 2590, 3220, 3404, 3452, 4255, 4315, 5180, 5957, 6041, 6440, 6808, 6904, 8510, 8630, 10360, 11914, 12082, 17020, 17260, 19849, 23828, 24164, 29785, 30205, 31931, 34040, 34520, 39698, 47656, 48328, 59570, 60410, 63862, 79396, 99245, 119140, 120820, 127724, 138943, 158792, 159655, 198490, 223517, 238280, 241640, 255448, 277886, 319310, 396980, 447034, 555772, 638620, 694715, 734413, 793960, 894068, 1111544, 1117585, 1277240, 1389430, 1468826, 1788136, 2235170, 2778860, 2937652, 3672065, 4470340, 5140891, 5557720, 5875304, 7344130, 8940680, 10281782, 14688260, 20563564, 25704455, 29376520, 41127128, 51408910, 102817820, 205635640]

約数ペア:

[(1, 205635640), (2, 102817820), (4, 51408910), (5, 41127128), (7, 29376520), (8, 25704455), (10, 20563564), (14, 14688260), (20, 10281782), (23, 8940680), (28, 7344130), (35, 5875304), (37, 5557720), (40, 5140891), (46, 4470340), (56, 3672065), (70, 2937652), (74, 2778860), (92, 2235170), (115, 1788136), (140, 1468826), (148, 1389430), (161, 1277240), (184, 1117585), (185, 1111544), (230, 894068), (259, 793960), (280, 734413), (296, 694715), (322, 638620), (370, 555772), (460, 447034), (518, 396980), (644, 319310), (740, 277886), (805, 255448), (851, 241640), (863, 238280), (920, 223517), (1036, 198490), (1288, 159655), (1295, 158792), (1480, 138943), (1610, 127724), (1702, 120820), (1726, 119140), (2072, 99245), (2590, 79396), (3220, 63862), (3404, 60410), (3452, 59570), (4255, 48328), (4315, 47656), (5180, 39698), (5957, 34520), (6041, 34040), (6440, 31931), (6808, 30205), (6904, 29785), (8510, 24164), (8630, 23828), (10360, 19849), (11914, 17260), (12082, 17020)]