199954440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{26449}}^1$

素因数の和:26476

約数の個数: 128

約数和(自身を含む): 761760000

約数和(自身を除く): 561805560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 26449, 52898, 79347, 105796, 132245, 158694, 185143, 211592, 238041, 264490, 317388, 370286, 396735, 476082, 528980, 555429, 634776, 714123, 740572, 793470, 925715, 952164, 1057960, 1110858, 1190205, 1428246, 1481144, 1586940, 1666287, 1851430, 1904328, 2221716, 2380410, 2777145, 2856492, 3173880, 3332574, 3570615, 3702860, 4443432, 4760820, 4998861, 5554290, 5712984, 6665148, 7141230, 7405720, 8331435, 9521640, 9997722, 11108580, 13330296, 14282460, 16662870, 19995444, 22217160, 24994305, 28564920, 33325740, 39990888, 49988610, 66651480, 99977220, 199954440]

約数ペア:

[(1, 199954440), (2, 99977220), (3, 66651480), (4, 49988610), (5, 39990888), (6, 33325740), (7, 28564920), (8, 24994305), (9, 22217160), (10, 19995444), (12, 16662870), (14, 14282460), (15, 13330296), (18, 11108580), (20, 9997722), (21, 9521640), (24, 8331435), (27, 7405720), (28, 7141230), (30, 6665148), (35, 5712984), (36, 5554290), (40, 4998861), (42, 4760820), (45, 4443432), (54, 3702860), (56, 3570615), (60, 3332574), (63, 3173880), (70, 2856492), (72, 2777145), (84, 2380410), (90, 2221716), (105, 1904328), (108, 1851430), (120, 1666287), (126, 1586940), (135, 1481144), (140, 1428246), (168, 1190205), (180, 1110858), (189, 1057960), (210, 952164), (216, 925715), (252, 793470), (270, 740572), (280, 714123), (315, 634776), (360, 555429), (378, 528980), (420, 476082), (504, 396735), (540, 370286), (630, 317388), (756, 264490), (840, 238041), (945, 211592), (1080, 185143), (1260, 158694), (1512, 132245), (1890, 105796), (2520, 79347), (3780, 52898), (7560, 26449)]