42040040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 111731400

約数和(自身を除く): 69691360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 178, 196, 241, 245, 280, 356, 392, 445, 482, 490, 623, 712, 890, 964, 980, 1205, 1246, 1687, 1780, 1928, 1960, 2410, 2492, 3115, 3374, 3560, 4361, 4820, 4984, 6230, 6748, 8435, 8722, 9640, 11809, 12460, 13496, 16870, 17444, 21449, 21805, 23618, 24920, 33740, 34888, 42898, 43610, 47236, 59045, 67480, 85796, 87220, 94472, 107245, 118090, 150143, 171592, 174440, 214490, 236180, 300286, 428980, 472360, 600572, 750715, 857960, 1051001, 1201144, 1501430, 2102002, 3002860, 4204004, 5255005, 6005720, 8408008, 10510010, 21020020, 42040040]

約数ペア:

[(1, 42040040), (2, 21020020), (4, 10510010), (5, 8408008), (7, 6005720), (8, 5255005), (10, 4204004), (14, 3002860), (20, 2102002), (28, 1501430), (35, 1201144), (40, 1051001), (49, 857960), (56, 750715), (70, 600572), (89, 472360), (98, 428980), (140, 300286), (178, 236180), (196, 214490), (241, 174440), (245, 171592), (280, 150143), (356, 118090), (392, 107245), (445, 94472), (482, 87220), (490, 85796), (623, 67480), (712, 59045), (890, 47236), (964, 43610), (980, 42898), (1205, 34888), (1246, 33740), (1687, 24920), (1780, 23618), (1928, 21805), (1960, 21449), (2410, 17444), (2492, 16870), (3115, 13496), (3374, 12460), (3560, 11809), (4361, 9640), (4820, 8722), (4984, 8435), (6230, 6748)]