420245672

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 1034035200

約数和(自身を除く): 613789528

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 59, 62, 77, 88, 118, 124, 154, 217, 236, 248, 308, 341, 373, 413, 434, 472, 616, 649, 682, 746, 826, 868, 1298, 1364, 1492, 1652, 1736, 1829, 2387, 2596, 2611, 2728, 2984, 3304, 3658, 4103, 4543, 4774, 5192, 5222, 7316, 8206, 9086, 9548, 10444, 11563, 12803, 14632, 16412, 18172, 19096, 20119, 20888, 22007, 23126, 25606, 28721, 32824, 36344, 40238, 44014, 46252, 51212, 57442, 80476, 80941, 88028, 92504, 102424, 114884, 127193, 140833, 154049, 160952, 161882, 176056, 229768, 242077, 254386, 281666, 308098, 323764, 484154, 508772, 563332, 616196, 647528, 682217, 890351, 968308, 1017544, 1126664, 1232392, 1364434, 1694539, 1780702, 1936616, 2728868, 3389078, 3561404, 4775519, 5457736, 6778156, 7122808, 7504387, 9551038, 13556312, 15008774, 19102076, 30017548, 38204152, 52530709, 60035096, 105061418, 210122836, 420245672]

約数ペア:

[(1, 420245672), (2, 210122836), (4, 105061418), (7, 60035096), (8, 52530709), (11, 38204152), (14, 30017548), (22, 19102076), (28, 15008774), (31, 13556312), (44, 9551038), (56, 7504387), (59, 7122808), (62, 6778156), (77, 5457736), (88, 4775519), (118, 3561404), (124, 3389078), (154, 2728868), (217, 1936616), (236, 1780702), (248, 1694539), (308, 1364434), (341, 1232392), (373, 1126664), (413, 1017544), (434, 968308), (472, 890351), (616, 682217), (649, 647528), (682, 616196), (746, 563332), (826, 508772), (868, 484154), (1298, 323764), (1364, 308098), (1492, 281666), (1652, 254386), (1736, 242077), (1829, 229768), (2387, 176056), (2596, 161882), (2611, 160952), (2728, 154049), (2984, 140833), (3304, 127193), (3658, 114884), (4103, 102424), (4543, 92504), (4774, 88028), (5192, 80941), (5222, 80476), (7316, 57442), (8206, 51212), (9086, 46252), (9548, 44014), (10444, 40238), (11563, 36344), (12803, 32824), (14632, 28721), (16412, 25606), (18172, 23126), (19096, 22007), (20119, 20888)]