388742760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{51421}}^1$

素因数の和:51448

約数の個数: 128

約数和(自身を含む): 1480953600

約数和(自身を除く): 1092210840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 51421, 102842, 154263, 205684, 257105, 308526, 359947, 411368, 462789, 514210, 617052, 719894, 771315, 925578, 1028420, 1079841, 1234104, 1388367, 1439788, 1542630, 1799735, 1851156, 2056840, 2159682, 2313945, 2776734, 2879576, 3085260, 3239523, 3599470, 3702312, 4319364, 4627890, 5399205, 5553468, 6170520, 6479046, 6941835, 7198940, 8638728, 9255780, 9718569, 10798410, 11106936, 12958092, 13883670, 14397880, 16197615, 18511560, 19437138, 21596820, 25916184, 27767340, 32395230, 38874276, 43193640, 48592845, 55534680, 64790460, 77748552, 97185690, 129580920, 194371380, 388742760]

約数ペア:

[(1, 388742760), (2, 194371380), (3, 129580920), (4, 97185690), (5, 77748552), (6, 64790460), (7, 55534680), (8, 48592845), (9, 43193640), (10, 38874276), (12, 32395230), (14, 27767340), (15, 25916184), (18, 21596820), (20, 19437138), (21, 18511560), (24, 16197615), (27, 14397880), (28, 13883670), (30, 12958092), (35, 11106936), (36, 10798410), (40, 9718569), (42, 9255780), (45, 8638728), (54, 7198940), (56, 6941835), (60, 6479046), (63, 6170520), (70, 5553468), (72, 5399205), (84, 4627890), (90, 4319364), (105, 3702312), (108, 3599470), (120, 3239523), (126, 3085260), (135, 2879576), (140, 2776734), (168, 2313945), (180, 2159682), (189, 2056840), (210, 1851156), (216, 1799735), (252, 1542630), (270, 1439788), (280, 1388367), (315, 1234104), (360, 1079841), (378, 1028420), (420, 925578), (504, 771315), (540, 719894), (630, 617052), (756, 514210), (840, 462789), (945, 411368), (1080, 359947), (1260, 308526), (1512, 257105), (1890, 205684), (2520, 154263), (3780, 102842), (7560, 51421)]