209224890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3625

約数の個数: 128

約数和(自身を含む): 658391040

約数和(自身を除く): 449166150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3571, 3906, 4185, 5859, 6510, 7142, 8370, 9765, 10713, 11718, 17855, 19530, 21426, 24997, 29295, 32139, 35710, 49994, 53565, 58590, 64278, 74991, 96417, 107130, 110701, 124985, 149982, 160695, 192834, 221402, 224973, 249970, 321390, 332103, 374955, 449946, 482085, 553505, 664206, 674919, 749910, 774907, 964170, 996309, 1107010, 1124865, 1349838, 1549814, 1660515, 1992618, 2249730, 2324721, 2988927, 3321030, 3374595, 3874535, 4649442, 4981545, 5977854, 6749190, 6974163, 7749070, 9963090, 11623605, 13948326, 14944635, 20922489, 23247210, 29889270, 34870815, 41844978, 69741630, 104612445, 209224890]

約数ペア:

[(1, 209224890), (2, 104612445), (3, 69741630), (5, 41844978), (6, 34870815), (7, 29889270), (9, 23247210), (10, 20922489), (14, 14944635), (15, 13948326), (18, 11623605), (21, 9963090), (27, 7749070), (30, 6974163), (31, 6749190), (35, 5977854), (42, 4981545), (45, 4649442), (54, 3874535), (62, 3374595), (63, 3321030), (70, 2988927), (90, 2324721), (93, 2249730), (105, 1992618), (126, 1660515), (135, 1549814), (155, 1349838), (186, 1124865), (189, 1107010), (210, 996309), (217, 964170), (270, 774907), (279, 749910), (310, 674919), (315, 664206), (378, 553505), (434, 482085), (465, 449946), (558, 374955), (630, 332103), (651, 321390), (837, 249970), (930, 224973), (945, 221402), (1085, 192834), (1302, 160695), (1395, 149982), (1674, 124985), (1890, 110701), (1953, 107130), (2170, 96417), (2790, 74991), (3255, 64278), (3571, 58590), (3906, 53565), (4185, 49994), (5859, 35710), (6510, 32139), (7142, 29295), (8370, 24997), (9765, 21426), (10713, 19530), (11718, 17855)]