2012569720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{14639}}^1$

素因数の和:15148

約数の個数: 64

約数和(自身を含む): 5186073600

約数和(自身を除く): 3173503880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 491, 982, 1964, 2455, 3437, 3928, 4910, 6874, 9820, 13748, 14639, 17185, 19640, 27496, 29278, 34370, 58556, 68740, 73195, 102473, 117112, 137480, 146390, 204946, 292780, 409892, 512365, 585560, 819784, 1024730, 2049460, 4098920, 7187749, 14375498, 28750996, 35938745, 50314243, 57501992, 71877490, 100628486, 143754980, 201256972, 251571215, 287509960, 402513944, 503142430, 1006284860, 2012569720]

約数ペア:

[(1, 2012569720), (2, 1006284860), (4, 503142430), (5, 402513944), (7, 287509960), (8, 251571215), (10, 201256972), (14, 143754980), (20, 100628486), (28, 71877490), (35, 57501992), (40, 50314243), (56, 35938745), (70, 28750996), (140, 14375498), (280, 7187749), (491, 4098920), (982, 2049460), (1964, 1024730), (2455, 819784), (3437, 585560), (3928, 512365), (4910, 409892), (6874, 292780), (9820, 204946), (13748, 146390), (14639, 137480), (17185, 117112), (19640, 102473), (27496, 73195), (29278, 68740), (34370, 58556)]