28554730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 58164480

約数和(自身を除く): 29609750

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 67, 85, 109, 115, 134, 170, 218, 230, 335, 391, 545, 670, 782, 1090, 1139, 1541, 1853, 1955, 2278, 2507, 3082, 3706, 3910, 5014, 5695, 7303, 7705, 9265, 11390, 12535, 14606, 15410, 18530, 25070, 26197, 36515, 42619, 52394, 73030, 85238, 124151, 130985, 167969, 213095, 248302, 261970, 335938, 426190, 620755, 839845, 1241510, 1679690, 2855473, 5710946, 14277365, 28554730]

約数ペア:

[(1, 28554730), (2, 14277365), (5, 5710946), (10, 2855473), (17, 1679690), (23, 1241510), (34, 839845), (46, 620755), (67, 426190), (85, 335938), (109, 261970), (115, 248302), (134, 213095), (170, 167969), (218, 130985), (230, 124151), (335, 85238), (391, 73030), (545, 52394), (670, 42619), (782, 36515), (1090, 26197), (1139, 25070), (1541, 18530), (1853, 15410), (1955, 14606), (2278, 12535), (2507, 11390), (3082, 9265), (3706, 7705), (3910, 7303), (5014, 5695)]