189609640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13901}}^1$

素因数の和:13954

約数の個数: 64

約数和(自身を含む): 480453120

約数和(自身を除く): 290843480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 13901, 27802, 55604, 69505, 111208, 139010, 152911, 278020, 305822, 430931, 556040, 611644, 764555, 861862, 1223288, 1529110, 1723724, 2154655, 3058220, 3447448, 4309310, 4740241, 6116440, 8618620, 9480482, 17237240, 18960964, 23701205, 37921928, 47402410, 94804820, 189609640]

約数ペア:

[(1, 189609640), (2, 94804820), (4, 47402410), (5, 37921928), (8, 23701205), (10, 18960964), (11, 17237240), (20, 9480482), (22, 8618620), (31, 6116440), (40, 4740241), (44, 4309310), (55, 3447448), (62, 3058220), (88, 2154655), (110, 1723724), (124, 1529110), (155, 1223288), (220, 861862), (248, 764555), (310, 611644), (341, 556040), (440, 430931), (620, 305822), (682, 278020), (1240, 152911), (1364, 139010), (1705, 111208), (2728, 69505), (3410, 55604), (6820, 27802), (13640, 13901)]