205550550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:895

約数の個数: 144

約数和(自身を含む): 602082000

約数和(自身を除く): 396531450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 29, 30, 38, 45, 50, 57, 58, 75, 87, 90, 95, 114, 145, 150, 171, 174, 190, 225, 261, 285, 290, 342, 435, 450, 475, 522, 551, 570, 725, 829, 855, 870, 950, 1102, 1305, 1425, 1450, 1653, 1658, 1710, 2175, 2487, 2610, 2755, 2850, 3306, 4145, 4275, 4350, 4959, 4974, 5510, 6525, 7461, 8265, 8290, 8550, 9918, 12435, 13050, 13775, 14922, 15751, 16530, 20725, 24041, 24795, 24870, 27550, 31502, 37305, 41325, 41450, 47253, 48082, 49590, 62175, 72123, 74610, 78755, 82650, 94506, 120205, 123975, 124350, 141759, 144246, 157510, 186525, 216369, 236265, 240410, 247950, 283518, 360615, 373050, 393775, 432738, 456779, 472530, 601025, 708795, 721230, 787550, 913558, 1081845, 1181325, 1202050, 1370337, 1417590, 1803075, 2163690, 2283895, 2362650, 2740674, 3543975, 3606150, 4111011, 4567790, 5409225, 6851685, 7087950, 8222022, 10818450, 11419475, 13703370, 20555055, 22838950, 34258425, 41110110, 68516850, 102775275, 205550550]

約数ペア:

[(1, 205550550), (2, 102775275), (3, 68516850), (5, 41110110), (6, 34258425), (9, 22838950), (10, 20555055), (15, 13703370), (18, 11419475), (19, 10818450), (25, 8222022), (29, 7087950), (30, 6851685), (38, 5409225), (45, 4567790), (50, 4111011), (57, 3606150), (58, 3543975), (75, 2740674), (87, 2362650), (90, 2283895), (95, 2163690), (114, 1803075), (145, 1417590), (150, 1370337), (171, 1202050), (174, 1181325), (190, 1081845), (225, 913558), (261, 787550), (285, 721230), (290, 708795), (342, 601025), (435, 472530), (450, 456779), (475, 432738), (522, 393775), (551, 373050), (570, 360615), (725, 283518), (829, 247950), (855, 240410), (870, 236265), (950, 216369), (1102, 186525), (1305, 157510), (1425, 144246), (1450, 141759), (1653, 124350), (1658, 123975), (1710, 120205), (2175, 94506), (2487, 82650), (2610, 78755), (2755, 74610), (2850, 72123), (3306, 62175), (4145, 49590), (4275, 48082), (4350, 47253), (4959, 41450), (4974, 41325), (5510, 37305), (6525, 31502), (7461, 27550), (8265, 24870), (8290, 24795), (8550, 24041), (9918, 20725), (12435, 16530), (13050, 15751), (13775, 14922)]