777978040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{5333}}^1$

素因数の和:5872

約数の個数: 64

約数和(自身を含む): 2004730560

約数和(自身を除く): 1226752520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 1042, 2084, 2605, 3647, 4168, 5210, 5333, 7294, 10420, 10666, 14588, 18235, 20840, 21332, 26665, 29176, 36470, 37331, 42664, 53330, 72940, 74662, 106660, 145880, 149324, 186655, 213320, 298648, 373310, 746620, 1493240, 2778493, 5556986, 11113972, 13892465, 19449451, 22227944, 27784930, 38898902, 55569860, 77797804, 97247255, 111139720, 155595608, 194494510, 388989020, 777978040]

約数ペア:

[(1, 777978040), (2, 388989020), (4, 194494510), (5, 155595608), (7, 111139720), (8, 97247255), (10, 77797804), (14, 55569860), (20, 38898902), (28, 27784930), (35, 22227944), (40, 19449451), (56, 13892465), (70, 11113972), (140, 5556986), (280, 2778493), (521, 1493240), (1042, 746620), (2084, 373310), (2605, 298648), (3647, 213320), (4168, 186655), (5210, 149324), (5333, 145880), (7294, 106660), (10420, 74662), (10666, 72940), (14588, 53330), (18235, 42664), (20840, 37331), (21332, 36470), (26665, 29176)]