49212940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4951}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 119798784

約数和(自身を除く): 70585844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4951, 4970, 9902, 9940, 19804, 24755, 34657, 49510, 69314, 99020, 138628, 173285, 346570, 351521, 693140, 703042, 1406084, 1757605, 2460647, 3515210, 4921294, 7030420, 9842588, 12303235, 24606470, 49212940]

約数ペア:

[(1, 49212940), (2, 24606470), (4, 12303235), (5, 9842588), (7, 7030420), (10, 4921294), (14, 3515210), (20, 2460647), (28, 1757605), (35, 1406084), (70, 703042), (71, 693140), (140, 351521), (142, 346570), (284, 173285), (355, 138628), (497, 99020), (710, 69314), (994, 49510), (1420, 34657), (1988, 24755), (2485, 19804), (4951, 9940), (4970, 9902)]