198161920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 160

約数和(自身を含む): 537394176

約数和(自身を除く): 339232256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 227, 248, 256, 310, 320, 341, 352, 440, 454, 496, 512, 620, 640, 682, 704, 880, 908, 992, 1135, 1240, 1280, 1364, 1408, 1705, 1760, 1816, 1984, 2270, 2480, 2497, 2560, 2728, 2816, 3410, 3520, 3632, 3968, 4540, 4960, 4994, 5456, 5632, 6820, 7037, 7040, 7264, 7936, 9080, 9920, 9988, 10912, 12485, 13640, 14074, 14080, 14528, 15872, 18160, 19840, 19976, 21824, 24970, 27280, 28148, 28160, 29056, 35185, 36320, 39680, 39952, 43648, 49940, 54560, 56296, 58112, 70370, 72640, 77407, 79360, 79904, 87296, 99880, 109120, 112592, 116224, 140740, 145280, 154814, 159808, 174592, 199760, 218240, 225184, 281480, 290560, 309628, 319616, 387035, 399520, 436480, 450368, 562960, 581120, 619256, 639232, 774070, 799040, 872960, 900736, 1125920, 1238512, 1278464, 1548140, 1598080, 1801472, 2251840, 2477024, 3096280, 3196160, 3602944, 4503680, 4954048, 6192560, 6392320, 9007360, 9908096, 12385120, 18014720, 19816192, 24770240, 39632384, 49540480, 99080960, 198161920]

約数ペア:

[(1, 198161920), (2, 99080960), (4, 49540480), (5, 39632384), (8, 24770240), (10, 19816192), (11, 18014720), (16, 12385120), (20, 9908096), (22, 9007360), (31, 6392320), (32, 6192560), (40, 4954048), (44, 4503680), (55, 3602944), (62, 3196160), (64, 3096280), (80, 2477024), (88, 2251840), (110, 1801472), (124, 1598080), (128, 1548140), (155, 1278464), (160, 1238512), (176, 1125920), (220, 900736), (227, 872960), (248, 799040), (256, 774070), (310, 639232), (320, 619256), (341, 581120), (352, 562960), (440, 450368), (454, 436480), (496, 399520), (512, 387035), (620, 319616), (640, 309628), (682, 290560), (704, 281480), (880, 225184), (908, 218240), (992, 199760), (1135, 174592), (1240, 159808), (1280, 154814), (1364, 145280), (1408, 140740), (1705, 116224), (1760, 112592), (1816, 109120), (1984, 99880), (2270, 87296), (2480, 79904), (2497, 79360), (2560, 77407), (2728, 72640), (2816, 70370), (3410, 58112), (3520, 56296), (3632, 54560), (3968, 49940), (4540, 43648), (4960, 39952), (4994, 39680), (5456, 36320), (5632, 35185), (6820, 29056), (7037, 28160), (7040, 28148), (7264, 27280), (7936, 24970), (9080, 21824), (9920, 19976), (9988, 19840), (10912, 18160), (12485, 15872), (13640, 14528), (14074, 14080)]