489888784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 1243348992

約数和(自身を除く): 753460208

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 101, 112, 124, 127, 154, 176, 202, 217, 248, 254, 308, 341, 404, 434, 496, 508, 616, 682, 707, 808, 868, 889, 1016, 1111, 1232, 1364, 1397, 1414, 1616, 1736, 1778, 2032, 2222, 2387, 2728, 2794, 2828, 3131, 3472, 3556, 3937, 4444, 4774, 5456, 5588, 5656, 6262, 7112, 7777, 7874, 8888, 9548, 9779, 11176, 11312, 12524, 12827, 14224, 15554, 15748, 17776, 19096, 19558, 21917, 22352, 25048, 25654, 27559, 31108, 31496, 34441, 38192, 39116, 43307, 43834, 50096, 51308, 55118, 62216, 62992, 68882, 78232, 86614, 87668, 89789, 102616, 110236, 124432, 137764, 141097, 156464, 173228, 175336, 179578, 205232, 220472, 241087, 275528, 282194, 303149, 346456, 350672, 359156, 397637, 440944, 482174, 551056, 564388, 606298, 692912, 718312, 795274, 964348, 987679, 1128776, 1212596, 1436624, 1590548, 1928696, 1975358, 2257552, 2425192, 2783459, 3181096, 3857392, 3950716, 4374007, 4850384, 5566918, 6362192, 7901432, 8748014, 11133836, 15802864, 17496028, 22267672, 30618049, 34992056, 44535344, 61236098, 69984112, 122472196, 244944392, 489888784]

約数ペア:

[(1, 489888784), (2, 244944392), (4, 122472196), (7, 69984112), (8, 61236098), (11, 44535344), (14, 34992056), (16, 30618049), (22, 22267672), (28, 17496028), (31, 15802864), (44, 11133836), (56, 8748014), (62, 7901432), (77, 6362192), (88, 5566918), (101, 4850384), (112, 4374007), (124, 3950716), (127, 3857392), (154, 3181096), (176, 2783459), (202, 2425192), (217, 2257552), (248, 1975358), (254, 1928696), (308, 1590548), (341, 1436624), (404, 1212596), (434, 1128776), (496, 987679), (508, 964348), (616, 795274), (682, 718312), (707, 692912), (808, 606298), (868, 564388), (889, 551056), (1016, 482174), (1111, 440944), (1232, 397637), (1364, 359156), (1397, 350672), (1414, 346456), (1616, 303149), (1736, 282194), (1778, 275528), (2032, 241087), (2222, 220472), (2387, 205232), (2728, 179578), (2794, 175336), (2828, 173228), (3131, 156464), (3472, 141097), (3556, 137764), (3937, 124432), (4444, 110236), (4774, 102616), (5456, 89789), (5588, 87668), (5656, 86614), (6262, 78232), (7112, 68882), (7777, 62992), (7874, 62216), (8888, 55118), (9548, 51308), (9779, 50096), (11176, 43834), (11312, 43307), (12524, 39116), (12827, 38192), (14224, 34441), (15554, 31496), (15748, 31108), (17776, 27559), (19096, 25654), (19558, 25048), (21917, 22352)]