20173650280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1\times {\mathrm{1429}}^1$

素因数の和:1971

約数の個数: 128

約数和(自身を含む): 52451942400

約数和(自身を除く): 32278292120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 397, 508, 635, 794, 889, 1016, 1270, 1429, 1588, 1778, 1985, 2540, 2779, 2858, 3176, 3556, 3970, 4445, 5080, 5558, 5716, 7112, 7145, 7940, 8890, 10003, 11116, 11432, 13895, 14290, 15880, 17780, 20006, 22232, 27790, 28580, 35560, 40012, 50015, 50419, 55580, 57160, 80024, 100030, 100838, 111160, 181483, 200060, 201676, 252095, 352933, 362966, 400120, 403352, 504190, 567313, 705866, 725932, 907415, 1008380, 1134626, 1270381, 1411732, 1451864, 1764665, 1814830, 2016760, 2269252, 2540762, 2823464, 2836565, 3529330, 3629660, 3971191, 4538504, 5081524, 5673130, 6351905, 7058660, 7259320, 7942382, 10163048, 11346260, 12703810, 14117320, 15884764, 19855955, 22692520, 25407620, 31769528, 39711910, 50815240, 72048751, 79423820, 144097502, 158847640, 288195004, 360243755, 504341257, 576390008, 720487510, 1008682514, 1440975020, 2017365028, 2521706285, 2881950040, 4034730056, 5043412570, 10086825140, 20173650280]

約数ペア:

[(1, 20173650280), (2, 10086825140), (4, 5043412570), (5, 4034730056), (7, 2881950040), (8, 2521706285), (10, 2017365028), (14, 1440975020), (20, 1008682514), (28, 720487510), (35, 576390008), (40, 504341257), (56, 360243755), (70, 288195004), (127, 158847640), (140, 144097502), (254, 79423820), (280, 72048751), (397, 50815240), (508, 39711910), (635, 31769528), (794, 25407620), (889, 22692520), (1016, 19855955), (1270, 15884764), (1429, 14117320), (1588, 12703810), (1778, 11346260), (1985, 10163048), (2540, 7942382), (2779, 7259320), (2858, 7058660), (3176, 6351905), (3556, 5673130), (3970, 5081524), (4445, 4538504), (5080, 3971191), (5558, 3629660), (5716, 3529330), (7112, 2836565), (7145, 2823464), (7940, 2540762), (8890, 2269252), (10003, 2016760), (11116, 1814830), (11432, 1764665), (13895, 1451864), (14290, 1411732), (15880, 1270381), (17780, 1134626), (20006, 1008380), (22232, 907415), (27790, 725932), (28580, 705866), (35560, 567313), (40012, 504190), (50015, 403352), (50419, 400120), (55580, 362966), (57160, 352933), (80024, 252095), (100030, 201676), (100838, 200060), (111160, 181483)]