2771720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 7516800

約数和(自身を除く): 4745080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 521, 532, 665, 760, 1042, 1064, 1330, 2084, 2605, 2660, 3647, 4168, 5210, 5320, 7294, 9899, 10420, 14588, 18235, 19798, 20840, 29176, 36470, 39596, 49495, 69293, 72940, 79192, 98990, 138586, 145880, 197980, 277172, 346465, 395960, 554344, 692930, 1385860, 2771720]

約数ペア:

[(1, 2771720), (2, 1385860), (4, 692930), (5, 554344), (7, 395960), (8, 346465), (10, 277172), (14, 197980), (19, 145880), (20, 138586), (28, 98990), (35, 79192), (38, 72940), (40, 69293), (56, 49495), (70, 39596), (76, 36470), (95, 29176), (133, 20840), (140, 19798), (152, 18235), (190, 14588), (266, 10420), (280, 9899), (380, 7294), (521, 5320), (532, 5210), (665, 4168), (760, 3647), (1042, 2660), (1064, 2605), (1330, 2084)]