205189740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2901

約数の個数: 192

約数和(自身を含む): 768230400

約数和(自身を除く): 563040660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 2857, 3420, 3591, 3780, 3990, 4788, 5130, 5714, 5985, 7182, 7980, 8571, 10260, 11428, 11970, 14285, 14364, 17142, 17955, 19999, 23940, 25713, 28570, 34284, 35910, 39998, 42855, 51426, 54283, 57140, 59997, 71820, 77139, 79996, 85710, 99995, 102852, 108566, 119994, 128565, 154278, 162849, 171420, 179991, 199990, 217132, 239988, 257130, 271415, 299985, 308556, 325698, 359982, 379981, 385695, 399980, 488547, 514260, 539973, 542830, 599970, 651396, 719964, 759962, 771390, 814245, 899955, 977094, 1079946, 1085660, 1139943, 1199940, 1465641, 1519924, 1542780, 1628490, 1799910, 1899905, 1954188, 2159892, 2279886, 2442735, 2699865, 2931282, 3256980, 3419829, 3599820, 3799810, 4559772, 4885470, 5399730, 5699715, 5862564, 6839658, 7328205, 7599620, 9770940, 10259487, 10799460, 11399430, 13679316, 14656410, 17099145, 20518974, 22798860, 29312820, 34198290, 41037948, 51297435, 68396580, 102594870, 205189740]

約数ペア:

[(1, 205189740), (2, 102594870), (3, 68396580), (4, 51297435), (5, 41037948), (6, 34198290), (7, 29312820), (9, 22798860), (10, 20518974), (12, 17099145), (14, 14656410), (15, 13679316), (18, 11399430), (19, 10799460), (20, 10259487), (21, 9770940), (27, 7599620), (28, 7328205), (30, 6839658), (35, 5862564), (36, 5699715), (38, 5399730), (42, 4885470), (45, 4559772), (54, 3799810), (57, 3599820), (60, 3419829), (63, 3256980), (70, 2931282), (76, 2699865), (84, 2442735), (90, 2279886), (95, 2159892), (105, 1954188), (108, 1899905), (114, 1799910), (126, 1628490), (133, 1542780), (135, 1519924), (140, 1465641), (171, 1199940), (180, 1139943), (189, 1085660), (190, 1079946), (210, 977094), (228, 899955), (252, 814245), (266, 771390), (270, 759962), (285, 719964), (315, 651396), (342, 599970), (378, 542830), (380, 539973), (399, 514260), (420, 488547), (513, 399980), (532, 385695), (540, 379981), (570, 359982), (630, 325698), (665, 308556), (684, 299985), (756, 271415), (798, 257130), (855, 239988), (945, 217132), (1026, 199990), (1140, 179991), (1197, 171420), (1260, 162849), (1330, 154278), (1596, 128565), (1710, 119994), (1890, 108566), (1995, 102852), (2052, 99995), (2394, 85710), (2565, 79996), (2660, 77139), (2857, 71820), (3420, 59997), (3591, 57140), (3780, 54283), (3990, 51426), (4788, 42855), (5130, 39998), (5714, 35910), (5985, 34284), (7182, 28570), (7980, 25713), (8571, 23940), (10260, 19999), (11428, 17955), (11970, 17142), (14285, 14364)]