440440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 96

約数和(自身を含む): 1340640

約数和(自身を除く): 900200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 121, 130, 140, 143, 154, 182, 220, 242, 260, 280, 286, 308, 364, 385, 440, 455, 484, 520, 572, 605, 616, 715, 728, 770, 847, 910, 968, 1001, 1144, 1210, 1430, 1540, 1573, 1694, 1820, 2002, 2420, 2860, 3080, 3146, 3388, 3640, 4004, 4235, 4840, 5005, 5720, 6292, 6776, 7865, 8008, 8470, 10010, 11011, 12584, 15730, 16940, 20020, 22022, 31460, 33880, 40040, 44044, 55055, 62920, 88088, 110110, 220220, 440440]

約数ペア:

[(1, 440440), (2, 220220), (4, 110110), (5, 88088), (7, 62920), (8, 55055), (10, 44044), (11, 40040), (13, 33880), (14, 31460), (20, 22022), (22, 20020), (26, 16940), (28, 15730), (35, 12584), (40, 11011), (44, 10010), (52, 8470), (55, 8008), (56, 7865), (65, 6776), (70, 6292), (77, 5720), (88, 5005), (91, 4840), (104, 4235), (110, 4004), (121, 3640), (130, 3388), (140, 3146), (143, 3080), (154, 2860), (182, 2420), (220, 2002), (242, 1820), (260, 1694), (280, 1573), (286, 1540), (308, 1430), (364, 1210), (385, 1144), (440, 1001), (455, 968), (484, 910), (520, 847), (572, 770), (605, 728), (616, 715)]