30913855

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 47196000

約数和(自身を除く): 16282145

約数列:

[1, 5, 7, 19, 29, 35, 49, 95, 133, 145, 203, 229, 245, 551, 665, 931, 1015, 1145, 1421, 1603, 2755, 3857, 4351, 4655, 6641, 7105, 8015, 11221, 19285, 21755, 26999, 30457, 33205, 46487, 56105, 126179, 134995, 152285, 213199, 232435, 325409, 630895, 883253, 1065995, 1627045, 4416265, 6182771, 30913855]

約数ペア:

[(1, 30913855), (5, 6182771), (7, 4416265), (19, 1627045), (29, 1065995), (35, 883253), (49, 630895), (95, 325409), (133, 232435), (145, 213199), (203, 152285), (229, 134995), (245, 126179), (551, 56105), (665, 46487), (931, 33205), (1015, 30457), (1145, 26999), (1421, 21755), (1603, 19285), (2755, 11221), (3857, 8015), (4351, 7105), (4655, 6641)]