202018430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 189891970

約数列:

[1, 2, 5, 10, 23, 46, 71, 89, 115, 139, 142, 178, 230, 278, 355, 445, 695, 710, 890, 1390, 1633, 2047, 3197, 3266, 4094, 6319, 6394, 8165, 9869, 10235, 12371, 12638, 15985, 16330, 19738, 20470, 24742, 31595, 31970, 49345, 61855, 63190, 98690, 123710, 145337, 226987, 284533, 290674, 453974, 569066, 726685, 878341, 1134935, 1422665, 1453370, 1756682, 2269870, 2845330, 4391705, 8783410, 20201843, 40403686, 101009215, 202018430]

約数ペア:

[(1, 202018430), (2, 101009215), (5, 40403686), (10, 20201843), (23, 8783410), (46, 4391705), (71, 2845330), (89, 2269870), (115, 1756682), (139, 1453370), (142, 1422665), (178, 1134935), (230, 878341), (278, 726685), (355, 569066), (445, 453974), (695, 290674), (710, 284533), (890, 226987), (1390, 145337), (1633, 123710), (2047, 98690), (3197, 63190), (3266, 61855), (4094, 49345), (6319, 31970), (6394, 31595), (8165, 24742), (9869, 20470), (10235, 19738), (12371, 16330), (12638, 15985)]