205321410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 192

約数和(自身を含む): 680659200

約数和(自身を除く): 475337790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 30, 34, 35, 38, 42, 45, 51, 57, 63, 70, 85, 90, 95, 102, 105, 114, 119, 126, 133, 153, 170, 171, 190, 210, 238, 255, 266, 285, 306, 315, 323, 342, 357, 399, 510, 570, 595, 630, 646, 665, 714, 765, 798, 855, 969, 1009, 1071, 1190, 1197, 1330, 1530, 1615, 1710, 1785, 1938, 1995, 2018, 2142, 2261, 2394, 2907, 3027, 3230, 3570, 3990, 4522, 4845, 5045, 5355, 5814, 5985, 6054, 6783, 7063, 9081, 9690, 10090, 10710, 11305, 11970, 13566, 14126, 14535, 15135, 17153, 18162, 19171, 20349, 21189, 22610, 29070, 30270, 33915, 34306, 35315, 38342, 40698, 42378, 45405, 51459, 57513, 63567, 67830, 70630, 85765, 90810, 95855, 101745, 102918, 105945, 115026, 120071, 127134, 134197, 154377, 171530, 172539, 191710, 203490, 211890, 240142, 257295, 268394, 287565, 308754, 317835, 325907, 345078, 360213, 402591, 514590, 575130, 600355, 635670, 651814, 670985, 720426, 771885, 805182, 862695, 977721, 1080639, 1200710, 1207773, 1341970, 1543770, 1629535, 1725390, 1801065, 1955442, 2012955, 2161278, 2281349, 2415546, 2933163, 3259070, 3602130, 4025910, 4562698, 4888605, 5403195, 5866326, 6038865, 6844047, 9777210, 10806390, 11406745, 12077730, 13688094, 14665815, 20532141, 22813490, 29331630, 34220235, 41064282, 68440470, 102660705, 205321410]

約数ペア:

[(1, 205321410), (2, 102660705), (3, 68440470), (5, 41064282), (6, 34220235), (7, 29331630), (9, 22813490), (10, 20532141), (14, 14665815), (15, 13688094), (17, 12077730), (18, 11406745), (19, 10806390), (21, 9777210), (30, 6844047), (34, 6038865), (35, 5866326), (38, 5403195), (42, 4888605), (45, 4562698), (51, 4025910), (57, 3602130), (63, 3259070), (70, 2933163), (85, 2415546), (90, 2281349), (95, 2161278), (102, 2012955), (105, 1955442), (114, 1801065), (119, 1725390), (126, 1629535), (133, 1543770), (153, 1341970), (170, 1207773), (171, 1200710), (190, 1080639), (210, 977721), (238, 862695), (255, 805182), (266, 771885), (285, 720426), (306, 670985), (315, 651814), (323, 635670), (342, 600355), (357, 575130), (399, 514590), (510, 402591), (570, 360213), (595, 345078), (630, 325907), (646, 317835), (665, 308754), (714, 287565), (765, 268394), (798, 257295), (855, 240142), (969, 211890), (1009, 203490), (1071, 191710), (1190, 172539), (1197, 171530), (1330, 154377), (1530, 134197), (1615, 127134), (1710, 120071), (1785, 115026), (1938, 105945), (1995, 102918), (2018, 101745), (2142, 95855), (2261, 90810), (2394, 85765), (2907, 70630), (3027, 67830), (3230, 63567), (3570, 57513), (3990, 51459), (4522, 45405), (4845, 42378), (5045, 40698), (5355, 38342), (5814, 35315), (5985, 34306), (6054, 33915), (6783, 30270), (7063, 29070), (9081, 22610), (9690, 21189), (10090, 20349), (10710, 19171), (11305, 18162), (11970, 17153), (13566, 15135), (14126, 14535)]