71399720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13421}}^1$

素因数の和:13458

約数の個数: 64

約数和(自身を含む): 193276800

約数和(自身を除く): 121877080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 13421, 26842, 53684, 67105, 93947, 107368, 134210, 187894, 254999, 268420, 375788, 469735, 509998, 536840, 751576, 939470, 1019996, 1274995, 1784993, 1878940, 2039992, 2549990, 3569986, 3757880, 5099980, 7139972, 8924965, 10199960, 14279944, 17849930, 35699860, 71399720]

約数ペア:

[(1, 71399720), (2, 35699860), (4, 17849930), (5, 14279944), (7, 10199960), (8, 8924965), (10, 7139972), (14, 5099980), (19, 3757880), (20, 3569986), (28, 2549990), (35, 2039992), (38, 1878940), (40, 1784993), (56, 1274995), (70, 1019996), (76, 939470), (95, 751576), (133, 536840), (140, 509998), (152, 469735), (190, 375788), (266, 268420), (280, 254999), (380, 187894), (532, 134210), (665, 107368), (760, 93947), (1064, 67105), (1330, 53684), (2660, 26842), (5320, 13421)]