245401212

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{2801}}^1$

素因数の和:2971

約数の個数: 72

約数和(自身を含む): 670798800

約数和(自身を除く): 425397588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 149, 196, 294, 298, 447, 588, 596, 894, 1043, 1788, 2086, 2801, 3129, 4172, 5602, 6258, 7301, 8403, 11204, 12516, 14602, 16806, 19607, 21903, 29204, 33612, 39214, 43806, 58821, 78428, 87612, 117642, 137249, 235284, 274498, 411747, 417349, 548996, 823494, 834698, 1252047, 1646988, 1669396, 2504094, 2921443, 5008188, 5842886, 8764329, 11685772, 17528658, 20450101, 35057316, 40900202, 61350303, 81800404, 122700606, 245401212]

約数ペア:

[(1, 245401212), (2, 122700606), (3, 81800404), (4, 61350303), (6, 40900202), (7, 35057316), (12, 20450101), (14, 17528658), (21, 11685772), (28, 8764329), (42, 5842886), (49, 5008188), (84, 2921443), (98, 2504094), (147, 1669396), (149, 1646988), (196, 1252047), (294, 834698), (298, 823494), (447, 548996), (588, 417349), (596, 411747), (894, 274498), (1043, 235284), (1788, 137249), (2086, 117642), (2801, 87612), (3129, 78428), (4172, 58821), (5602, 43806), (6258, 39214), (7301, 33612), (8403, 29204), (11204, 21903), (12516, 19607), (14602, 16806)]