898697940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2139757}}^1$

素因数の和:2139776

約数の個数: 48

約数和(自身を含む): 2875834752

約数和(自身を除く): 1977136812

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, 2139757, 4279514, 6419271, 8559028, 10698785, 12838542, 14978299, 21397570, 25677084, 29956598, 32096355, 42795140, 44934897, 59913196, 64192710, 74891495, 89869794, 128385420, 149782990, 179739588, 224674485, 299565980, 449348970, 898697940]

約数ペア:

[(1, 898697940), (2, 449348970), (3, 299565980), (4, 224674485), (5, 179739588), (6, 149782990), (7, 128385420), (10, 89869794), (12, 74891495), (14, 64192710), (15, 59913196), (20, 44934897), (21, 42795140), (28, 32096355), (30, 29956598), (35, 25677084), (42, 21397570), (60, 14978299), (70, 12838542), (84, 10698785), (105, 8559028), (140, 6419271), (210, 4279514), (420, 2139757)]