29975260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 74405520

約数和(自身を除く): 44430260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 419, 490, 511, 730, 838, 980, 1022, 1460, 1676, 2044, 2095, 2555, 2933, 3577, 4190, 5110, 5866, 7154, 8380, 10220, 11732, 14308, 14665, 17885, 20531, 29330, 30587, 35770, 41062, 58660, 61174, 71540, 82124, 102655, 122348, 152935, 205310, 214109, 305870, 410620, 428218, 611740, 856436, 1070545, 1498763, 2141090, 2997526, 4282180, 5995052, 7493815, 14987630, 29975260]

約数ペア:

[(1, 29975260), (2, 14987630), (4, 7493815), (5, 5995052), (7, 4282180), (10, 2997526), (14, 2141090), (20, 1498763), (28, 1070545), (35, 856436), (49, 611740), (70, 428218), (73, 410620), (98, 305870), (140, 214109), (146, 205310), (196, 152935), (245, 122348), (292, 102655), (365, 82124), (419, 71540), (490, 61174), (511, 58660), (730, 41062), (838, 35770), (980, 30587), (1022, 29330), (1460, 20531), (1676, 17885), (2044, 14665), (2095, 14308), (2555, 11732), (2933, 10220), (3577, 8380), (4190, 7154), (5110, 5866)]