217871490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{14731}}^1$

素因数の和:14787

約数の個数: 64

約数和(自身を含む): 572780160

約数和(自身を除く): 354908670

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1479, 2465, 2958, 4930, 7395, 14731, 14790, 29462, 44193, 73655, 88386, 147310, 220965, 250427, 427199, 441930, 500854, 751281, 854398, 1252135, 1281597, 1502562, 2135995, 2504270, 2563194, 3756405, 4271990, 6407985, 7262383, 7512810, 12815970, 14524766, 21787149, 36311915, 43574298, 72623830, 108935745, 217871490]

約数ペア:

[(1, 217871490), (2, 108935745), (3, 72623830), (5, 43574298), (6, 36311915), (10, 21787149), (15, 14524766), (17, 12815970), (29, 7512810), (30, 7262383), (34, 6407985), (51, 4271990), (58, 3756405), (85, 2563194), (87, 2504270), (102, 2135995), (145, 1502562), (170, 1281597), (174, 1252135), (255, 854398), (290, 751281), (435, 500854), (493, 441930), (510, 427199), (870, 250427), (986, 220965), (1479, 147310), (2465, 88386), (2958, 73655), (4930, 44193), (7395, 29462), (14731, 14790)]