204530340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{486977}}^1$

素因数の和:486996

約数の個数: 48

約数和(自身を含む): 654498432

約数和(自身を除く): 449968092

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, 486977, 973954, 1460931, 1947908, 2434885, 2921862, 3408839, 4869770, 5843724, 6817678, 7304655, 9739540, 10226517, 13635356, 14609310, 17044195, 20453034, 29218620, 34088390, 40906068, 51132585, 68176780, 102265170, 204530340]

約数ペア:

[(1, 204530340), (2, 102265170), (3, 68176780), (4, 51132585), (5, 40906068), (6, 34088390), (7, 29218620), (10, 20453034), (12, 17044195), (14, 14609310), (15, 13635356), (20, 10226517), (21, 9739540), (28, 7304655), (30, 6817678), (35, 5843724), (42, 4869770), (60, 3408839), (70, 2921862), (84, 2434885), (105, 1947908), (140, 1460931), (210, 973954), (420, 486977)]