2564220848

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{8669}}^1$

素因数の和:8842

約数の個数: 80

約数和(自身を含む): 6020448000

約数和(自身を除く): 3456227152

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 139, 152, 266, 278, 304, 532, 556, 973, 1064, 1112, 1946, 2128, 2224, 2641, 3892, 5282, 7784, 8669, 10564, 15568, 17338, 18487, 21128, 34676, 36974, 42256, 60683, 69352, 73948, 121366, 138704, 147896, 164711, 242732, 295792, 329422, 485464, 658844, 970928, 1152977, 1204991, 1317688, 2305954, 2409982, 2635376, 4611908, 4819964, 8434937, 9223816, 9639928, 16869874, 18447632, 19279856, 22894829, 33739748, 45789658, 67479496, 91579316, 134958992, 160263803, 183158632, 320527606, 366317264, 641055212, 1282110424, 2564220848]

約数ペア:

[(1, 2564220848), (2, 1282110424), (4, 641055212), (7, 366317264), (8, 320527606), (14, 183158632), (16, 160263803), (19, 134958992), (28, 91579316), (38, 67479496), (56, 45789658), (76, 33739748), (112, 22894829), (133, 19279856), (139, 18447632), (152, 16869874), (266, 9639928), (278, 9223816), (304, 8434937), (532, 4819964), (556, 4611908), (973, 2635376), (1064, 2409982), (1112, 2305954), (1946, 1317688), (2128, 1204991), (2224, 1152977), (2641, 970928), (3892, 658844), (5282, 485464), (7784, 329422), (8669, 295792), (10564, 242732), (15568, 164711), (17338, 147896), (18487, 138704), (21128, 121366), (34676, 73948), (36974, 69352), (42256, 60683)]