388149760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 160

約数和(自身を含む): 988365312

約数和(自身を除く): 600215552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 73, 80, 124, 128, 134, 146, 155, 160, 248, 256, 268, 292, 310, 320, 335, 365, 496, 512, 536, 584, 620, 640, 670, 730, 992, 1072, 1168, 1240, 1280, 1340, 1460, 1984, 2077, 2144, 2263, 2336, 2480, 2560, 2680, 2920, 3968, 4154, 4288, 4526, 4672, 4891, 4960, 5360, 5840, 7936, 8308, 8576, 9052, 9344, 9782, 9920, 10385, 10720, 11315, 11680, 15872, 16616, 17152, 18104, 18688, 19564, 19840, 20770, 21440, 22630, 23360, 24455, 33232, 34304, 36208, 37376, 39128, 39680, 41540, 42880, 45260, 46720, 48910, 66464, 72416, 78256, 79360, 83080, 85760, 90520, 93440, 97820, 132928, 144832, 151621, 156512, 166160, 171520, 181040, 186880, 195640, 265856, 289664, 303242, 313024, 332320, 362080, 391280, 531712, 579328, 606484, 626048, 664640, 724160, 758105, 782560, 1063424, 1158656, 1212968, 1252096, 1329280, 1448320, 1516210, 1565120, 2425936, 2504192, 2658560, 2896640, 3032420, 3130240, 4851872, 5317120, 5793280, 6064840, 6260480, 9703744, 12129680, 12520960, 19407488, 24259360, 38814976, 48518720, 77629952, 97037440, 194074880, 388149760]

約数ペア:

[(1, 388149760), (2, 194074880), (4, 97037440), (5, 77629952), (8, 48518720), (10, 38814976), (16, 24259360), (20, 19407488), (31, 12520960), (32, 12129680), (40, 9703744), (62, 6260480), (64, 6064840), (67, 5793280), (73, 5317120), (80, 4851872), (124, 3130240), (128, 3032420), (134, 2896640), (146, 2658560), (155, 2504192), (160, 2425936), (248, 1565120), (256, 1516210), (268, 1448320), (292, 1329280), (310, 1252096), (320, 1212968), (335, 1158656), (365, 1063424), (496, 782560), (512, 758105), (536, 724160), (584, 664640), (620, 626048), (640, 606484), (670, 579328), (730, 531712), (992, 391280), (1072, 362080), (1168, 332320), (1240, 313024), (1280, 303242), (1340, 289664), (1460, 265856), (1984, 195640), (2077, 186880), (2144, 181040), (2263, 171520), (2336, 166160), (2480, 156512), (2560, 151621), (2680, 144832), (2920, 132928), (3968, 97820), (4154, 93440), (4288, 90520), (4526, 85760), (4672, 83080), (4891, 79360), (4960, 78256), (5360, 72416), (5840, 66464), (7936, 48910), (8308, 46720), (8576, 45260), (9052, 42880), (9344, 41540), (9782, 39680), (9920, 39128), (10385, 37376), (10720, 36208), (11315, 34304), (11680, 33232), (15872, 24455), (16616, 23360), (17152, 22630), (18104, 21440), (18688, 20770), (19564, 19840)]