191940

素因数分解:

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

素因数の和:476

約数の個数: 48

約数和(自身を含む): 615552

約数和(自身を除く): 423612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 457, 914, 1371, 1828, 2285, 2742, 3199, 4570, 5484, 6398, 6855, 9140, 9597, 12796, 13710, 15995, 19194, 27420, 31990, 38388, 47985, 63980, 95970, 191940]

約数ペア:

[(1, 191940), (2, 95970), (3, 63980), (4, 47985), (5, 38388), (6, 31990), (7, 27420), (10, 19194), (12, 15995), (14, 13710), (15, 12796), (20, 9597), (21, 9140), (28, 6855), (30, 6398), (35, 5484), (42, 4570), (60, 3199), (70, 2742), (84, 2285), (105, 1828), (140, 1371), (210, 914), (420, 457)]