217011540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 659026368

約数和(自身を除く): 442014828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 233, 258, 285, 361, 380, 430, 466, 516, 570, 645, 699, 722, 817, 860, 932, 1083, 1140, 1165, 1290, 1398, 1444, 1634, 1805, 2166, 2330, 2451, 2580, 2796, 3268, 3495, 3610, 4085, 4332, 4427, 4660, 4902, 5415, 6990, 7220, 8170, 8854, 9804, 10019, 10830, 12255, 13281, 13980, 15523, 16340, 17708, 20038, 21660, 22135, 24510, 26562, 30057, 31046, 40076, 44270, 46569, 49020, 50095, 53124, 60114, 62092, 66405, 77615, 84113, 88540, 93138, 100190, 120228, 132810, 150285, 155230, 168226, 186276, 190361, 200380, 232845, 252339, 265620, 300570, 310460, 336452, 380722, 420565, 465690, 504678, 571083, 601140, 761444, 841130, 931380, 951805, 1009356, 1142166, 1261695, 1682260, 1903610, 2284332, 2523390, 2855415, 3616859, 3807220, 5046780, 5710830, 7233718, 10850577, 11421660, 14467436, 18084295, 21701154, 36168590, 43402308, 54252885, 72337180, 108505770, 217011540]

約数ペア:

[(1, 217011540), (2, 108505770), (3, 72337180), (4, 54252885), (5, 43402308), (6, 36168590), (10, 21701154), (12, 18084295), (15, 14467436), (19, 11421660), (20, 10850577), (30, 7233718), (38, 5710830), (43, 5046780), (57, 3807220), (60, 3616859), (76, 2855415), (86, 2523390), (95, 2284332), (114, 1903610), (129, 1682260), (172, 1261695), (190, 1142166), (215, 1009356), (228, 951805), (233, 931380), (258, 841130), (285, 761444), (361, 601140), (380, 571083), (430, 504678), (466, 465690), (516, 420565), (570, 380722), (645, 336452), (699, 310460), (722, 300570), (817, 265620), (860, 252339), (932, 232845), (1083, 200380), (1140, 190361), (1165, 186276), (1290, 168226), (1398, 155230), (1444, 150285), (1634, 132810), (1805, 120228), (2166, 100190), (2330, 93138), (2451, 88540), (2580, 84113), (2796, 77615), (3268, 66405), (3495, 62092), (3610, 60114), (4085, 53124), (4332, 50095), (4427, 49020), (4660, 46569), (4902, 44270), (5415, 40076), (6990, 31046), (7220, 30057), (8170, 26562), (8854, 24510), (9804, 22135), (10019, 21660), (10830, 20038), (12255, 17708), (13281, 16340), (13980, 15523)]