199945620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1894

約数の個数: 144

約数和(自身を含む): 701326080

約数和(自身を除く): 501380460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1783, 1869, 2492, 2670, 3115, 3204, 3566, 3738, 4005, 5340, 5349, 5607, 6230, 7132, 7476, 8010, 8915, 9345, 10698, 11214, 12460, 12481, 16020, 16047, 17830, 18690, 21396, 22428, 24962, 26745, 28035, 32094, 35660, 37380, 37443, 49924, 53490, 56070, 62405, 64188, 74886, 80235, 106980, 112140, 112329, 124810, 149772, 158687, 160470, 187215, 224658, 249620, 317374, 320940, 374430, 449316, 476061, 561645, 634748, 748860, 793435, 952122, 1110809, 1123290, 1428183, 1586870, 1904244, 2221618, 2246580, 2380305, 2856366, 3173740, 3332427, 4443236, 4760610, 5554045, 5712732, 6664854, 7140915, 9521220, 9997281, 11108090, 13329708, 14281830, 16662135, 19994562, 22216180, 28563660, 33324270, 39989124, 49986405, 66648540, 99972810, 199945620]

約数ペア:

[(1, 199945620), (2, 99972810), (3, 66648540), (4, 49986405), (5, 39989124), (6, 33324270), (7, 28563660), (9, 22216180), (10, 19994562), (12, 16662135), (14, 14281830), (15, 13329708), (18, 11108090), (20, 9997281), (21, 9521220), (28, 7140915), (30, 6664854), (35, 5712732), (36, 5554045), (42, 4760610), (45, 4443236), (60, 3332427), (63, 3173740), (70, 2856366), (84, 2380305), (89, 2246580), (90, 2221618), (105, 1904244), (126, 1586870), (140, 1428183), (178, 1123290), (180, 1110809), (210, 952122), (252, 793435), (267, 748860), (315, 634748), (356, 561645), (420, 476061), (445, 449316), (534, 374430), (623, 320940), (630, 317374), (801, 249620), (890, 224658), (1068, 187215), (1246, 160470), (1260, 158687), (1335, 149772), (1602, 124810), (1780, 112329), (1783, 112140), (1869, 106980), (2492, 80235), (2670, 74886), (3115, 64188), (3204, 62405), (3566, 56070), (3738, 53490), (4005, 49924), (5340, 37443), (5349, 37380), (5607, 35660), (6230, 32094), (7132, 28035), (7476, 26745), (8010, 24962), (8915, 22428), (9345, 21396), (10698, 18690), (11214, 17830), (12460, 16047), (12481, 16020)]