287910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 857376

約数和(自身を除く): 569466

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 457, 630, 914, 1371, 2285, 2742, 3199, 4113, 4570, 6398, 6855, 8226, 9597, 13710, 15995, 19194, 20565, 28791, 31990, 41130, 47985, 57582, 95970, 143955, 287910]

約数ペア:

[(1, 287910), (2, 143955), (3, 95970), (5, 57582), (6, 47985), (7, 41130), (9, 31990), (10, 28791), (14, 20565), (15, 19194), (18, 15995), (21, 13710), (30, 9597), (35, 8226), (42, 6855), (45, 6398), (63, 4570), (70, 4113), (90, 3199), (105, 2742), (126, 2285), (210, 1371), (315, 914), (457, 630)]