280101080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10313}}^1$

素因数の和:10428

約数の個数: 64

約数和(自身を含む): 727755840

約数和(自身を除く): 447654760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 6790, 10313, 13580, 20626, 27160, 41252, 51565, 72191, 82504, 103130, 144382, 206260, 288764, 360955, 412520, 577528, 721910, 1000361, 1443820, 2000722, 2887640, 4001444, 5001805, 7002527, 8002888, 10003610, 14005054, 20007220, 28010108, 35012635, 40014440, 56020216, 70025270, 140050540, 280101080]

約数ペア:

[(1, 280101080), (2, 140050540), (4, 70025270), (5, 56020216), (7, 40014440), (8, 35012635), (10, 28010108), (14, 20007220), (20, 14005054), (28, 10003610), (35, 8002888), (40, 7002527), (56, 5001805), (70, 4001444), (97, 2887640), (140, 2000722), (194, 1443820), (280, 1000361), (388, 721910), (485, 577528), (679, 412520), (776, 360955), (970, 288764), (1358, 206260), (1940, 144382), (2716, 103130), (3395, 82504), (3880, 72191), (5432, 51565), (6790, 41252), (10313, 27160), (13580, 20626)]