814380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{277}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 2662128

約数和(自身を除く): 1847748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 277, 294, 420, 490, 554, 588, 735, 831, 980, 1108, 1385, 1470, 1662, 1939, 2770, 2940, 3324, 3878, 4155, 5540, 5817, 7756, 8310, 9695, 11634, 13573, 16620, 19390, 23268, 27146, 29085, 38780, 40719, 54292, 58170, 67865, 81438, 116340, 135730, 162876, 203595, 271460, 407190, 814380]

約数ペア:

[(1, 814380), (2, 407190), (3, 271460), (4, 203595), (5, 162876), (6, 135730), (7, 116340), (10, 81438), (12, 67865), (14, 58170), (15, 54292), (20, 40719), (21, 38780), (28, 29085), (30, 27146), (35, 23268), (42, 19390), (49, 16620), (60, 13573), (70, 11634), (84, 9695), (98, 8310), (105, 7756), (140, 5817), (147, 5540), (196, 4155), (210, 3878), (245, 3324), (277, 2940), (294, 2770), (420, 1939), (490, 1662), (554, 1470), (588, 1385), (735, 1108), (831, 980)]