200919990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5839}}^1$

素因数の和:5917

約数の個数: 64

約数和(自身を含む): 511303680

約数和(自身を除く): 310383690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 930, 1110, 1147, 2294, 3441, 5735, 5839, 6882, 11470, 11678, 17205, 17517, 29195, 34410, 35034, 58390, 87585, 175170, 181009, 216043, 362018, 432086, 543027, 648129, 905045, 1080215, 1086054, 1296258, 1810090, 2160430, 2715135, 3240645, 5430270, 6481290, 6697333, 13394666, 20091999, 33486665, 40183998, 66973330, 100459995, 200919990]

約数ペア:

[(1, 200919990), (2, 100459995), (3, 66973330), (5, 40183998), (6, 33486665), (10, 20091999), (15, 13394666), (30, 6697333), (31, 6481290), (37, 5430270), (62, 3240645), (74, 2715135), (93, 2160430), (111, 1810090), (155, 1296258), (185, 1086054), (186, 1080215), (222, 905045), (310, 648129), (370, 543027), (465, 432086), (555, 362018), (930, 216043), (1110, 181009), (1147, 175170), (2294, 87585), (3441, 58390), (5735, 35034), (5839, 34410), (6882, 29195), (11470, 17517), (11678, 17205)]