205289910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:352

約数の個数: 192

約数和(自身を含む): 650073600

約数和(自身を除く): 444783690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 59, 63, 70, 90, 98, 105, 118, 126, 135, 147, 177, 189, 210, 245, 263, 270, 294, 295, 315, 354, 378, 413, 441, 490, 526, 531, 590, 630, 735, 789, 826, 882, 885, 945, 1062, 1239, 1315, 1323, 1470, 1578, 1593, 1770, 1841, 1890, 2065, 2205, 2367, 2478, 2630, 2646, 2655, 2891, 3186, 3682, 3717, 3945, 4130, 4410, 4734, 5310, 5523, 5782, 6195, 6615, 7101, 7434, 7890, 7965, 8673, 9205, 11046, 11151, 11835, 12390, 12887, 13230, 14202, 14455, 15517, 15930, 16569, 17346, 18410, 18585, 22302, 23670, 25774, 26019, 27615, 28910, 31034, 33138, 35505, 37170, 38661, 43365, 46551, 49707, 52038, 55230, 55755, 64435, 71010, 77322, 77585, 78057, 82845, 86730, 93102, 99414, 108619, 111510, 115983, 128870, 130095, 139653, 155170, 156114, 165690, 193305, 217238, 231966, 232755, 248535, 260190, 279306, 325857, 347949, 386610, 390285, 418959, 465510, 497070, 543095, 579915, 651714, 695898, 698265, 760333, 780570, 837918, 977571, 1086190, 1159830, 1396530, 1520666, 1629285, 1739745, 1955142, 2094795, 2280999, 2932713, 3258570, 3479490, 3801665, 4189590, 4561998, 4887855, 5865426, 6842997, 7603330, 9775710, 11404995, 13685994, 14663565, 20528991, 22809990, 29327130, 34214985, 41057982, 68429970, 102644955, 205289910]

約数ペア:

[(1, 205289910), (2, 102644955), (3, 68429970), (5, 41057982), (6, 34214985), (7, 29327130), (9, 22809990), (10, 20528991), (14, 14663565), (15, 13685994), (18, 11404995), (21, 9775710), (27, 7603330), (30, 6842997), (35, 5865426), (42, 4887855), (45, 4561998), (49, 4189590), (54, 3801665), (59, 3479490), (63, 3258570), (70, 2932713), (90, 2280999), (98, 2094795), (105, 1955142), (118, 1739745), (126, 1629285), (135, 1520666), (147, 1396530), (177, 1159830), (189, 1086190), (210, 977571), (245, 837918), (263, 780570), (270, 760333), (294, 698265), (295, 695898), (315, 651714), (354, 579915), (378, 543095), (413, 497070), (441, 465510), (490, 418959), (526, 390285), (531, 386610), (590, 347949), (630, 325857), (735, 279306), (789, 260190), (826, 248535), (882, 232755), (885, 231966), (945, 217238), (1062, 193305), (1239, 165690), (1315, 156114), (1323, 155170), (1470, 139653), (1578, 130095), (1593, 128870), (1770, 115983), (1841, 111510), (1890, 108619), (2065, 99414), (2205, 93102), (2367, 86730), (2478, 82845), (2630, 78057), (2646, 77585), (2655, 77322), (2891, 71010), (3186, 64435), (3682, 55755), (3717, 55230), (3945, 52038), (4130, 49707), (4410, 46551), (4734, 43365), (5310, 38661), (5523, 37170), (5782, 35505), (6195, 33138), (6615, 31034), (7101, 28910), (7434, 27615), (7890, 26019), (7965, 25774), (8673, 23670), (9205, 22302), (11046, 18585), (11151, 18410), (11835, 17346), (12390, 16569), (12887, 15930), (13230, 15517), (14202, 14455)]