2930340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6977}}^1$

素因数の和:6996

約数の個数: 48

約数和(自身を含む): 9378432

約数和(自身を除く): 6448092

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, 6977, 13954, 20931, 27908, 34885, 41862, 48839, 69770, 83724, 97678, 104655, 139540, 146517, 195356, 209310, 244195, 293034, 418620, 488390, 586068, 732585, 976780, 1465170, 2930340]

約数ペア:

[(1, 2930340), (2, 1465170), (3, 976780), (4, 732585), (5, 586068), (6, 488390), (7, 418620), (10, 293034), (12, 244195), (14, 209310), (15, 195356), (20, 146517), (21, 139540), (28, 104655), (30, 97678), (35, 83724), (42, 69770), (60, 48839), (70, 41862), (84, 34885), (105, 27908), (140, 20931), (210, 13954), (420, 6977)]