868770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{197}}^1$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 2640924

約数和(自身を除く): 1772154

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 197, 210, 245, 294, 315, 394, 441, 490, 591, 630, 735, 882, 985, 1182, 1379, 1470, 1773, 1970, 2205, 2758, 2955, 3546, 4137, 4410, 5910, 6895, 8274, 8865, 9653, 12411, 13790, 17730, 19306, 20685, 24822, 28959, 41370, 48265, 57918, 62055, 86877, 96530, 124110, 144795, 173754, 289590, 434385, 868770]

約数ペア:

[(1, 868770), (2, 434385), (3, 289590), (5, 173754), (6, 144795), (7, 124110), (9, 96530), (10, 86877), (14, 62055), (15, 57918), (18, 48265), (21, 41370), (30, 28959), (35, 24822), (42, 20685), (45, 19306), (49, 17730), (63, 13790), (70, 12411), (90, 9653), (98, 8865), (105, 8274), (126, 6895), (147, 5910), (197, 4410), (210, 4137), (245, 3546), (294, 2955), (315, 2758), (394, 2205), (441, 1970), (490, 1773), (591, 1470), (630, 1379), (735, 1182), (882, 985)]