209749680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41617}}^1$

素因数の和:41643

約数の個数: 120

約数和(自身を含む): 805058592

約数和(自身を除く): 595308912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 41617, 83234, 124851, 166468, 208085, 249702, 291319, 332936, 374553, 416170, 499404, 582638, 624255, 665872, 749106, 832340, 873957, 998808, 1165276, 1248510, 1456595, 1498212, 1664680, 1747914, 1872765, 1997616, 2330552, 2497020, 2621871, 2913190, 2996424, 3329360, 3495828, 3745530, 4369785, 4661104, 4994040, 5243742, 5826380, 5992848, 6991656, 7491060, 8739570, 9988080, 10487484, 11652760, 13109355, 13983312, 14982120, 17479140, 20974968, 23305520, 26218710, 29964240, 34958280, 41949936, 52437420, 69916560, 104874840, 209749680]

約数ペア:

[(1, 209749680), (2, 104874840), (3, 69916560), (4, 52437420), (5, 41949936), (6, 34958280), (7, 29964240), (8, 26218710), (9, 23305520), (10, 20974968), (12, 17479140), (14, 14982120), (15, 13983312), (16, 13109355), (18, 11652760), (20, 10487484), (21, 9988080), (24, 8739570), (28, 7491060), (30, 6991656), (35, 5992848), (36, 5826380), (40, 5243742), (42, 4994040), (45, 4661104), (48, 4369785), (56, 3745530), (60, 3495828), (63, 3329360), (70, 2996424), (72, 2913190), (80, 2621871), (84, 2497020), (90, 2330552), (105, 1997616), (112, 1872765), (120, 1747914), (126, 1664680), (140, 1498212), (144, 1456595), (168, 1248510), (180, 1165276), (210, 998808), (240, 873957), (252, 832340), (280, 749106), (315, 665872), (336, 624255), (360, 582638), (420, 499404), (504, 416170), (560, 374553), (630, 332936), (720, 291319), (840, 249702), (1008, 208085), (1260, 166468), (1680, 124851), (2520, 83234), (5040, 41617)]