221779840

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 554325120

約数和(自身を除く): 332545280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 73, 80, 94, 101, 128, 146, 160, 188, 202, 235, 292, 320, 365, 376, 404, 470, 505, 584, 640, 730, 752, 808, 940, 1010, 1168, 1460, 1504, 1616, 1880, 2020, 2336, 2920, 3008, 3232, 3431, 3760, 4040, 4672, 4747, 5840, 6016, 6464, 6862, 7373, 7520, 8080, 9344, 9494, 11680, 12928, 13724, 14746, 15040, 16160, 17155, 18988, 23360, 23735, 27448, 29492, 30080, 32320, 34310, 36865, 37976, 46720, 47470, 54896, 58984, 64640, 68620, 73730, 75952, 94940, 109792, 117968, 137240, 147460, 151904, 189880, 219584, 235936, 274480, 294920, 303808, 346531, 379760, 439168, 471872, 548960, 589840, 607616, 693062, 759520, 943744, 1097920, 1179680, 1386124, 1519040, 1732655, 2195840, 2359360, 2772248, 3038080, 3465310, 4718720, 5544496, 6930620, 11088992, 13861240, 22177984, 27722480, 44355968, 55444960, 110889920, 221779840]

約数ペア:

[(1, 221779840), (2, 110889920), (4, 55444960), (5, 44355968), (8, 27722480), (10, 22177984), (16, 13861240), (20, 11088992), (32, 6930620), (40, 5544496), (47, 4718720), (64, 3465310), (73, 3038080), (80, 2772248), (94, 2359360), (101, 2195840), (128, 1732655), (146, 1519040), (160, 1386124), (188, 1179680), (202, 1097920), (235, 943744), (292, 759520), (320, 693062), (365, 607616), (376, 589840), (404, 548960), (470, 471872), (505, 439168), (584, 379760), (640, 346531), (730, 303808), (752, 294920), (808, 274480), (940, 235936), (1010, 219584), (1168, 189880), (1460, 151904), (1504, 147460), (1616, 137240), (1880, 117968), (2020, 109792), (2336, 94940), (2920, 75952), (3008, 73730), (3232, 68620), (3431, 64640), (3760, 58984), (4040, 54896), (4672, 47470), (4747, 46720), (5840, 37976), (6016, 36865), (6464, 34310), (6862, 32320), (7373, 30080), (7520, 29492), (8080, 27448), (9344, 23735), (9494, 23360), (11680, 18988), (12928, 17155), (13724, 16160), (14746, 15040)]