9918788740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{907}}^1\times {\mathrm{11159}}^1$

素因数の和:12089

約数の個数: 72

約数和(自身を含む): 24259072320

約数和(自身を除く): 14340283580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 907, 980, 1814, 3628, 4535, 6349, 9070, 11159, 12698, 18140, 22318, 25396, 31745, 44443, 44636, 55795, 63490, 78113, 88886, 111590, 126980, 156226, 177772, 222215, 223180, 312452, 390565, 444430, 546791, 781130, 888860, 1093582, 1562260, 2187164, 2733955, 5467910, 10121213, 10935820, 20242426, 40484852, 50606065, 70848491, 101212130, 141696982, 202424260, 283393964, 354242455, 495939437, 708484910, 991878874, 1416969820, 1983757748, 2479697185, 4959394370, 9918788740]

約数ペア:

[(1, 9918788740), (2, 4959394370), (4, 2479697185), (5, 1983757748), (7, 1416969820), (10, 991878874), (14, 708484910), (20, 495939437), (28, 354242455), (35, 283393964), (49, 202424260), (70, 141696982), (98, 101212130), (140, 70848491), (196, 50606065), (245, 40484852), (490, 20242426), (907, 10935820), (980, 10121213), (1814, 5467910), (3628, 2733955), (4535, 2187164), (6349, 1562260), (9070, 1093582), (11159, 888860), (12698, 781130), (18140, 546791), (22318, 444430), (25396, 390565), (31745, 312452), (44443, 223180), (44636, 222215), (55795, 177772), (63490, 156226), (78113, 126980), (88886, 111590)]