217187860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 503193600

約数和(自身を除く): 286005740

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 103, 124, 155, 179, 190, 206, 310, 358, 380, 412, 515, 589, 620, 716, 895, 1030, 1178, 1790, 1957, 2060, 2356, 2945, 3193, 3401, 3580, 3914, 5549, 5890, 6386, 6802, 7828, 9785, 11098, 11780, 12772, 13604, 15965, 17005, 18437, 19570, 22196, 27745, 31930, 34010, 36874, 39140, 55490, 60667, 63860, 68020, 73748, 92185, 105431, 110980, 121334, 184370, 210862, 242668, 303335, 350303, 368740, 421724, 527155, 571547, 606670, 700606, 1054310, 1143094, 1213340, 1401212, 1751515, 2108620, 2286188, 2857735, 3503030, 5715470, 7006060, 10859393, 11430940, 21718786, 43437572, 54296965, 108593930, 217187860]

約数ペア:

[(1, 217187860), (2, 108593930), (4, 54296965), (5, 43437572), (10, 21718786), (19, 11430940), (20, 10859393), (31, 7006060), (38, 5715470), (62, 3503030), (76, 2857735), (95, 2286188), (103, 2108620), (124, 1751515), (155, 1401212), (179, 1213340), (190, 1143094), (206, 1054310), (310, 700606), (358, 606670), (380, 571547), (412, 527155), (515, 421724), (589, 368740), (620, 350303), (716, 303335), (895, 242668), (1030, 210862), (1178, 184370), (1790, 121334), (1957, 110980), (2060, 105431), (2356, 92185), (2945, 73748), (3193, 68020), (3401, 63860), (3580, 60667), (3914, 55490), (5549, 39140), (5890, 36874), (6386, 34010), (6802, 31930), (7828, 27745), (9785, 22196), (11098, 19570), (11780, 18437), (12772, 17005), (13604, 15965)]