287179420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{19483}}^1$

素因数の和:19570

約数の個数: 48

約数和(自身を含む): 667755648

約数和(自身を除く): 380576228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 7370, 14740, 19483, 38966, 77932, 97415, 194830, 214313, 389660, 428626, 857252, 1071565, 1305361, 2143130, 2610722, 4286260, 5221444, 6526805, 13053610, 14358971, 26107220, 28717942, 57435884, 71794855, 143589710, 287179420]

約数ペア:

[(1, 287179420), (2, 143589710), (4, 71794855), (5, 57435884), (10, 28717942), (11, 26107220), (20, 14358971), (22, 13053610), (44, 6526805), (55, 5221444), (67, 4286260), (110, 2610722), (134, 2143130), (220, 1305361), (268, 1071565), (335, 857252), (670, 428626), (737, 389660), (1340, 214313), (1474, 194830), (2948, 97415), (3685, 77932), (7370, 38966), (14740, 19483)]