280736930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 528498432

約数和(自身を除く): 247761502

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 223, 262, 310, 446, 655, 961, 1115, 1310, 1922, 2230, 4061, 4805, 6913, 8122, 9610, 13826, 20305, 29213, 34565, 40610, 58426, 69130, 125891, 146065, 214303, 251782, 292130, 428606, 629455, 905603, 1071515, 1258910, 1811206, 2143030, 4528015, 9056030, 28073693, 56147386, 140368465, 280736930]

約数ペア:

[(1, 280736930), (2, 140368465), (5, 56147386), (10, 28073693), (31, 9056030), (62, 4528015), (131, 2143030), (155, 1811206), (223, 1258910), (262, 1071515), (310, 905603), (446, 629455), (655, 428606), (961, 292130), (1115, 251782), (1310, 214303), (1922, 146065), (2230, 125891), (4061, 69130), (4805, 58426), (6913, 40610), (8122, 34565), (9610, 29213), (13826, 20305)]