880236700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 2249856000

約数和(自身を除く): 1369619300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 89, 100, 140, 142, 175, 178, 199, 284, 350, 355, 356, 398, 445, 497, 623, 700, 710, 796, 890, 994, 995, 1246, 1393, 1420, 1775, 1780, 1988, 1990, 2225, 2485, 2492, 2786, 3115, 3550, 3980, 4450, 4970, 4975, 5572, 6230, 6319, 6965, 7100, 8900, 9940, 9950, 12425, 12460, 12638, 13930, 14129, 15575, 17711, 19900, 24850, 25276, 27860, 28258, 31150, 31595, 34825, 35422, 44233, 49700, 56516, 62300, 63190, 69650, 70645, 70844, 88466, 88555, 98903, 123977, 126380, 139300, 141290, 157975, 176932, 177110, 197806, 221165, 247954, 282580, 315950, 353225, 354220, 395612, 442330, 442775, 494515, 495908, 619885, 631900, 706450, 884660, 885550, 989030, 1105825, 1239770, 1257481, 1412900, 1771100, 1978060, 2211650, 2472575, 2479540, 2514962, 3099425, 4423300, 4945150, 5029924, 6198850, 6287405, 8802367, 9890300, 12397700, 12574810, 17604734, 25149620, 31437025, 35209468, 44011835, 62874050, 88023670, 125748100, 176047340, 220059175, 440118350, 880236700]

約数ペア:

[(1, 880236700), (2, 440118350), (4, 220059175), (5, 176047340), (7, 125748100), (10, 88023670), (14, 62874050), (20, 44011835), (25, 35209468), (28, 31437025), (35, 25149620), (50, 17604734), (70, 12574810), (71, 12397700), (89, 9890300), (100, 8802367), (140, 6287405), (142, 6198850), (175, 5029924), (178, 4945150), (199, 4423300), (284, 3099425), (350, 2514962), (355, 2479540), (356, 2472575), (398, 2211650), (445, 1978060), (497, 1771100), (623, 1412900), (700, 1257481), (710, 1239770), (796, 1105825), (890, 989030), (994, 885550), (995, 884660), (1246, 706450), (1393, 631900), (1420, 619885), (1775, 495908), (1780, 494515), (1988, 442775), (1990, 442330), (2225, 395612), (2485, 354220), (2492, 353225), (2786, 315950), (3115, 282580), (3550, 247954), (3980, 221165), (4450, 197806), (4970, 177110), (4975, 176932), (5572, 157975), (6230, 141290), (6319, 139300), (6965, 126380), (7100, 123977), (8900, 98903), (9940, 88555), (9950, 88466), (12425, 70844), (12460, 70645), (12638, 69650), (13930, 63190), (14129, 62300), (15575, 56516), (17711, 49700), (19900, 44233), (24850, 35422), (25276, 34825), (27860, 31595), (28258, 31150)]