28791457100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{674273}}^1$

素因数の和:674355

約数の個数: 72

約数和(自身を含む): 72573459168

約数和(自身を除く): 43782002068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 610, 700, 854, 1220, 1525, 1708, 2135, 3050, 4270, 6100, 8540, 10675, 21350, 42700, 674273, 1348546, 2697092, 3371365, 4719911, 6742730, 9439822, 13485460, 16856825, 18879644, 23599555, 33713650, 41130653, 47199110, 67427300, 82261306, 94398220, 117997775, 164522612, 205653265, 235995550, 287914571, 411306530, 471991100, 575829142, 822613060, 1028266325, 1151658284, 1439572855, 2056532650, 2879145710, 4113065300, 5758291420, 7197864275, 14395728550, 28791457100]

約数ペア:

[(1, 28791457100), (2, 14395728550), (4, 7197864275), (5, 5758291420), (7, 4113065300), (10, 2879145710), (14, 2056532650), (20, 1439572855), (25, 1151658284), (28, 1028266325), (35, 822613060), (50, 575829142), (61, 471991100), (70, 411306530), (100, 287914571), (122, 235995550), (140, 205653265), (175, 164522612), (244, 117997775), (305, 94398220), (350, 82261306), (427, 67427300), (610, 47199110), (700, 41130653), (854, 33713650), (1220, 23599555), (1525, 18879644), (1708, 16856825), (2135, 13485460), (3050, 9439822), (4270, 6742730), (6100, 4719911), (8540, 3371365), (10675, 2697092), (21350, 1348546), (42700, 674273)]