290741308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7159}}^1$

素因数の和:7258

約数の個数: 48

約数和(自身を含む): 606251520

約数和(自身を除く): 315510212

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 3124, 3692, 7159, 10153, 14318, 20306, 28636, 40612, 78749, 93067, 157498, 186134, 314996, 372268, 508289, 1016578, 1023737, 2033156, 2047474, 4094948, 5591179, 6607757, 11182358, 13215514, 22364716, 26431028, 72685327, 145370654, 290741308]

約数ペア:

[(1, 290741308), (2, 145370654), (4, 72685327), (11, 26431028), (13, 22364716), (22, 13215514), (26, 11182358), (44, 6607757), (52, 5591179), (71, 4094948), (142, 2047474), (143, 2033156), (284, 1023737), (286, 1016578), (572, 508289), (781, 372268), (923, 314996), (1562, 186134), (1846, 157498), (3124, 93067), (3692, 78749), (7159, 40612), (10153, 28636), (14318, 20306)]