2540748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 7182000

約数和(自身を除く): 4641252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 149, 174, 196, 203, 294, 298, 348, 406, 447, 588, 596, 609, 812, 894, 1043, 1218, 1421, 1788, 2086, 2436, 2842, 3129, 4172, 4263, 4321, 5684, 6258, 7301, 8526, 8642, 12516, 12963, 14602, 17052, 17284, 21903, 25926, 29204, 30247, 43806, 51852, 60494, 87612, 90741, 120988, 181482, 211729, 362964, 423458, 635187, 846916, 1270374, 2540748]

約数ペア:

[(1, 2540748), (2, 1270374), (3, 846916), (4, 635187), (6, 423458), (7, 362964), (12, 211729), (14, 181482), (21, 120988), (28, 90741), (29, 87612), (42, 60494), (49, 51852), (58, 43806), (84, 30247), (87, 29204), (98, 25926), (116, 21903), (147, 17284), (149, 17052), (174, 14602), (196, 12963), (203, 12516), (294, 8642), (298, 8526), (348, 7301), (406, 6258), (447, 5684), (588, 4321), (596, 4263), (609, 4172), (812, 3129), (894, 2842), (1043, 2436), (1218, 2086), (1421, 1788)]