200820211210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:876

約数の個数: 128

約数和(自身を含む): 383404032000

約数和(自身を除く): 182583820790

約数列:

[1, 2, 5, 10, 43, 61, 79, 86, 122, 158, 199, 215, 305, 395, 398, 430, 487, 610, 790, 974, 995, 1990, 2435, 2623, 3397, 4819, 4870, 5246, 6794, 8557, 9638, 12139, 13115, 15721, 16985, 17114, 20941, 24095, 24278, 26230, 29707, 31442, 33970, 38473, 41882, 42785, 48190, 59414, 60695, 76946, 78605, 85570, 96913, 104705, 121390, 148535, 157210, 192365, 193826, 207217, 209410, 297070, 384730, 414434, 484565, 521977, 676003, 958981, 969130, 1036085, 1043954, 1277401, 1352006, 1654339, 1917962, 2072170, 2346853, 2554802, 2609885, 3308678, 3380015, 4167259, 4693706, 4794905, 5219770, 5911693, 6387005, 6760030, 7656127, 8271695, 8334518, 9589810, 11734265, 11823386, 12774010, 15312254, 16543390, 20836295, 23468530, 29558465, 38280635, 41236183, 41672590, 59116930, 76561270, 82472366, 100914679, 201829358, 206180915, 254202799, 329213461, 412361830, 467023747, 504573395, 508405598, 658426922, 934047494, 1009146790, 1271013995, 1646067305, 2335118735, 2542027990, 3292134610, 4670237470, 20082021121, 40164042242, 100410105605, 200820211210]

約数ペア:

[(1, 200820211210), (2, 100410105605), (5, 40164042242), (10, 20082021121), (43, 4670237470), (61, 3292134610), (79, 2542027990), (86, 2335118735), (122, 1646067305), (158, 1271013995), (199, 1009146790), (215, 934047494), (305, 658426922), (395, 508405598), (398, 504573395), (430, 467023747), (487, 412361830), (610, 329213461), (790, 254202799), (974, 206180915), (995, 201829358), (1990, 100914679), (2435, 82472366), (2623, 76561270), (3397, 59116930), (4819, 41672590), (4870, 41236183), (5246, 38280635), (6794, 29558465), (8557, 23468530), (9638, 20836295), (12139, 16543390), (13115, 15312254), (15721, 12774010), (16985, 11823386), (17114, 11734265), (20941, 9589810), (24095, 8334518), (24278, 8271695), (26230, 7656127), (29707, 6760030), (31442, 6387005), (33970, 5911693), (38473, 5219770), (41882, 4794905), (42785, 4693706), (48190, 4167259), (59414, 3380015), (60695, 3308678), (76946, 2609885), (78605, 2554802), (85570, 2346853), (96913, 2072170), (104705, 1917962), (121390, 1654339), (148535, 1352006), (157210, 1277401), (192365, 1043954), (193826, 1036085), (207217, 969130), (209410, 958981), (297070, 676003), (384730, 521977), (414434, 484565)]