2019172904

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2970

約数の個数: 64

約数和(自身を含む): 4406400000

約数和(自身を除く): 2387227096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 149, 178, 298, 356, 596, 623, 712, 1043, 1192, 1246, 2086, 2492, 2719, 4172, 4984, 5438, 8344, 10876, 13261, 19033, 21752, 26522, 38066, 53044, 76132, 92827, 106088, 152264, 185654, 241991, 371308, 405131, 483982, 742616, 810262, 967964, 1620524, 1693937, 1935928, 2835917, 3241048, 3387874, 5671834, 6775748, 11343668, 13551496, 22687336, 36056659, 72113318, 144226636, 252396613, 288453272, 504793226, 1009586452, 2019172904]

約数ペア:

[(1, 2019172904), (2, 1009586452), (4, 504793226), (7, 288453272), (8, 252396613), (14, 144226636), (28, 72113318), (56, 36056659), (89, 22687336), (149, 13551496), (178, 11343668), (298, 6775748), (356, 5671834), (596, 3387874), (623, 3241048), (712, 2835917), (1043, 1935928), (1192, 1693937), (1246, 1620524), (2086, 967964), (2492, 810262), (2719, 742616), (4172, 483982), (4984, 405131), (5438, 371308), (8344, 241991), (10876, 185654), (13261, 152264), (19033, 106088), (21752, 92827), (26522, 76132), (38066, 53044)]