72690800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 120

約数和(自身を含む): 215048736

約数和(自身を除く): 142357936

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1820, 1997, 2275, 2600, 2800, 3640, 3994, 4550, 5200, 7280, 7988, 9100, 9985, 13979, 15976, 18200, 19970, 25961, 27958, 31952, 36400, 39940, 49925, 51922, 55916, 69895, 79880, 99850, 103844, 111832, 129805, 139790, 159760, 181727, 199700, 207688, 223664, 259610, 279580, 349475, 363454, 399400, 415376, 519220, 559160, 649025, 698950, 726908, 798800, 908635, 1038440, 1118320, 1298050, 1397900, 1453816, 1817270, 2076880, 2596100, 2795800, 2907632, 3634540, 4543175, 5192200, 5591600, 7269080, 9086350, 10384400, 14538160, 18172700, 36345400, 72690800]

約数ペア:

[(1, 72690800), (2, 36345400), (4, 18172700), (5, 14538160), (7, 10384400), (8, 9086350), (10, 7269080), (13, 5591600), (14, 5192200), (16, 4543175), (20, 3634540), (25, 2907632), (26, 2795800), (28, 2596100), (35, 2076880), (40, 1817270), (50, 1453816), (52, 1397900), (56, 1298050), (65, 1118320), (70, 1038440), (80, 908635), (91, 798800), (100, 726908), (104, 698950), (112, 649025), (130, 559160), (140, 519220), (175, 415376), (182, 399400), (200, 363454), (208, 349475), (260, 279580), (280, 259610), (325, 223664), (350, 207688), (364, 199700), (400, 181727), (455, 159760), (520, 139790), (560, 129805), (650, 111832), (700, 103844), (728, 99850), (910, 79880), (1040, 69895), (1300, 55916), (1400, 51922), (1456, 49925), (1820, 39940), (1997, 36400), (2275, 31952), (2600, 27958), (2800, 25961), (3640, 19970), (3994, 18200), (4550, 15976), (5200, 13979), (7280, 9985), (7988, 9100)]