217716100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 568852480

約数和(自身を除く): 351136380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 79, 100, 124, 127, 140, 155, 158, 175, 217, 254, 310, 316, 350, 395, 434, 508, 553, 620, 635, 700, 775, 790, 868, 889, 1085, 1106, 1270, 1550, 1580, 1778, 1975, 2170, 2212, 2449, 2540, 2765, 3100, 3175, 3556, 3937, 3950, 4340, 4445, 4898, 5425, 5530, 6350, 7874, 7900, 8890, 9796, 10033, 10850, 11060, 12245, 12700, 13825, 15748, 17143, 17780, 19685, 20066, 21700, 22225, 24490, 27559, 27650, 34286, 39370, 40132, 44450, 48980, 50165, 55118, 55300, 61225, 68572, 70231, 78740, 85715, 88900, 98425, 100330, 110236, 122450, 137795, 140462, 171430, 196850, 200660, 244900, 250825, 275590, 280924, 311023, 342860, 351155, 393700, 428575, 501650, 551180, 622046, 688975, 702310, 857150, 1003300, 1244092, 1377950, 1404620, 1555115, 1714300, 1755775, 2177161, 2755900, 3110230, 3511550, 4354322, 6220460, 7023100, 7775575, 8708644, 10885805, 15551150, 21771610, 31102300, 43543220, 54429025, 108858050, 217716100]

約数ペア:

[(1, 217716100), (2, 108858050), (4, 54429025), (5, 43543220), (7, 31102300), (10, 21771610), (14, 15551150), (20, 10885805), (25, 8708644), (28, 7775575), (31, 7023100), (35, 6220460), (50, 4354322), (62, 3511550), (70, 3110230), (79, 2755900), (100, 2177161), (124, 1755775), (127, 1714300), (140, 1555115), (155, 1404620), (158, 1377950), (175, 1244092), (217, 1003300), (254, 857150), (310, 702310), (316, 688975), (350, 622046), (395, 551180), (434, 501650), (508, 428575), (553, 393700), (620, 351155), (635, 342860), (700, 311023), (775, 280924), (790, 275590), (868, 250825), (889, 244900), (1085, 200660), (1106, 196850), (1270, 171430), (1550, 140462), (1580, 137795), (1778, 122450), (1975, 110236), (2170, 100330), (2212, 98425), (2449, 88900), (2540, 85715), (2765, 78740), (3100, 70231), (3175, 68572), (3556, 61225), (3937, 55300), (3950, 55118), (4340, 50165), (4445, 48980), (4898, 44450), (5425, 40132), (5530, 39370), (6350, 34286), (7874, 27650), (7900, 27559), (8890, 24490), (9796, 22225), (10033, 21700), (10850, 20066), (11060, 19685), (12245, 17780), (12700, 17143), (13825, 15748)]