989781964240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{6993937}}^1$

素因数の和:6994040

約数の個数: 80

約数和(自身を含む): 2419622790480

約数和(自身を除く): 1429840826240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 488, 580, 610, 976, 1160, 1220, 1769, 2320, 2440, 3538, 4880, 7076, 8845, 14152, 17690, 28304, 35380, 70760, 141520, 6993937, 13987874, 27975748, 34969685, 55951496, 69939370, 111902992, 139878740, 202824173, 279757480, 405648346, 426630157, 559514960, 811296692, 853260314, 1014120865, 1622593384, 1706520628, 2028241730, 2133150785, 3245186768, 3413041256, 4056483460, 4266301570, 6826082512, 8112966920, 8532603140, 12372274553, 16225933840, 17065206280, 24744549106, 34130412560, 49489098212, 61861372765, 98978196424, 123722745530, 197956392848, 247445491060, 494890982120, 989781964240]

約数ペア:

[(1, 989781964240), (2, 494890982120), (4, 247445491060), (5, 197956392848), (8, 123722745530), (10, 98978196424), (16, 61861372765), (20, 49489098212), (29, 34130412560), (40, 24744549106), (58, 17065206280), (61, 16225933840), (80, 12372274553), (116, 8532603140), (122, 8112966920), (145, 6826082512), (232, 4266301570), (244, 4056483460), (290, 3413041256), (305, 3245186768), (464, 2133150785), (488, 2028241730), (580, 1706520628), (610, 1622593384), (976, 1014120865), (1160, 853260314), (1220, 811296692), (1769, 559514960), (2320, 426630157), (2440, 405648346), (3538, 279757480), (4880, 202824173), (7076, 139878740), (8845, 111902992), (14152, 69939370), (17690, 55951496), (28304, 34969685), (35380, 27975748), (70760, 13987874), (141520, 6993937)]