201877456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 445114368

約数和(自身を除く): 243236912

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 163, 176, 227, 248, 326, 341, 454, 496, 652, 682, 908, 1304, 1364, 1793, 1816, 2497, 2608, 2728, 3586, 3632, 4994, 5053, 5456, 7037, 7172, 9988, 10106, 14074, 14344, 19976, 20212, 28148, 28688, 37001, 39952, 40424, 55583, 56296, 74002, 77407, 80848, 111166, 112592, 148004, 154814, 222332, 296008, 309628, 407011, 444664, 592016, 619256, 814022, 889328, 1147031, 1238512, 1628044, 2294062, 3256088, 4588124, 6512176, 9176248, 12617341, 18352496, 25234682, 50469364, 100938728, 201877456]

約数ペア:

[(1, 201877456), (2, 100938728), (4, 50469364), (8, 25234682), (11, 18352496), (16, 12617341), (22, 9176248), (31, 6512176), (44, 4588124), (62, 3256088), (88, 2294062), (124, 1628044), (163, 1238512), (176, 1147031), (227, 889328), (248, 814022), (326, 619256), (341, 592016), (454, 444664), (496, 407011), (652, 309628), (682, 296008), (908, 222332), (1304, 154814), (1364, 148004), (1793, 112592), (1816, 111166), (2497, 80848), (2608, 77407), (2728, 74002), (3586, 56296), (3632, 55583), (4994, 40424), (5053, 39952), (5456, 37001), (7037, 28688), (7172, 28148), (9988, 20212), (10106, 19976), (14074, 14344)]