285745180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 783820800

約数和(自身を除く): 498075620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 71, 76, 85, 89, 95, 119, 133, 140, 142, 170, 178, 190, 238, 266, 284, 323, 340, 355, 356, 380, 445, 476, 497, 532, 595, 623, 646, 665, 710, 890, 994, 1190, 1207, 1246, 1292, 1330, 1349, 1420, 1513, 1615, 1691, 1780, 1988, 2261, 2380, 2414, 2485, 2492, 2660, 2698, 3026, 3115, 3230, 3382, 4522, 4828, 4970, 5396, 6035, 6052, 6230, 6319, 6460, 6745, 6764, 7565, 8449, 8455, 9044, 9443, 9940, 10591, 11305, 11837, 12070, 12460, 12638, 13490, 15130, 16898, 16910, 18886, 21182, 22610, 22933, 23674, 24140, 25276, 26980, 28747, 30260, 31595, 33796, 33820, 37772, 42245, 42364, 44233, 45220, 45866, 47215, 47348, 52955, 57494, 59185, 63190, 84490, 88466, 91732, 94430, 105910, 107423, 114665, 114988, 118370, 120061, 126380, 143735, 160531, 168980, 176932, 188860, 201229, 211820, 214846, 221165, 229330, 236740, 240122, 287470, 321062, 402458, 429692, 442330, 458660, 480244, 537115, 574940, 600305, 642124, 751961, 802655, 804916, 840427, 884660, 1006145, 1074230, 1200610, 1503922, 1605310, 1680854, 2012290, 2041037, 2148460, 2401220, 3007844, 3210620, 3361708, 3759805, 4024580, 4082074, 4202135, 7519610, 8164148, 8404270, 10205185, 14287259, 15039220, 16808540, 20410370, 28574518, 40820740, 57149036, 71436295, 142872590, 285745180]

約数ペア:

[(1, 285745180), (2, 142872590), (4, 71436295), (5, 57149036), (7, 40820740), (10, 28574518), (14, 20410370), (17, 16808540), (19, 15039220), (20, 14287259), (28, 10205185), (34, 8404270), (35, 8164148), (38, 7519610), (68, 4202135), (70, 4082074), (71, 4024580), (76, 3759805), (85, 3361708), (89, 3210620), (95, 3007844), (119, 2401220), (133, 2148460), (140, 2041037), (142, 2012290), (170, 1680854), (178, 1605310), (190, 1503922), (238, 1200610), (266, 1074230), (284, 1006145), (323, 884660), (340, 840427), (355, 804916), (356, 802655), (380, 751961), (445, 642124), (476, 600305), (497, 574940), (532, 537115), (595, 480244), (623, 458660), (646, 442330), (665, 429692), (710, 402458), (890, 321062), (994, 287470), (1190, 240122), (1207, 236740), (1246, 229330), (1292, 221165), (1330, 214846), (1349, 211820), (1420, 201229), (1513, 188860), (1615, 176932), (1691, 168980), (1780, 160531), (1988, 143735), (2261, 126380), (2380, 120061), (2414, 118370), (2485, 114988), (2492, 114665), (2660, 107423), (2698, 105910), (3026, 94430), (3115, 91732), (3230, 88466), (3382, 84490), (4522, 63190), (4828, 59185), (4970, 57494), (5396, 52955), (6035, 47348), (6052, 47215), (6230, 45866), (6319, 45220), (6460, 44233), (6745, 42364), (6764, 42245), (7565, 37772), (8449, 33820), (8455, 33796), (9044, 31595), (9443, 30260), (9940, 28747), (10591, 26980), (11305, 25276), (11837, 24140), (12070, 23674), (12460, 22933), (12638, 22610), (13490, 21182), (15130, 18886), (16898, 16910)]