77348180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42499}}^1$

素因数の和:42528

約数の個数: 48

約数和(自身を含む): 199920000

約数和(自身を除く): 122571820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42499, 84998, 169996, 212495, 297493, 424990, 552487, 594986, 849980, 1104974, 1189972, 1487465, 2209948, 2762435, 2974930, 3867409, 5524870, 5949860, 7734818, 11049740, 15469636, 19337045, 38674090, 77348180]

約数ペア:

[(1, 77348180), (2, 38674090), (4, 19337045), (5, 15469636), (7, 11049740), (10, 7734818), (13, 5949860), (14, 5524870), (20, 3867409), (26, 2974930), (28, 2762435), (35, 2209948), (52, 1487465), (65, 1189972), (70, 1104974), (91, 849980), (130, 594986), (140, 552487), (182, 424990), (260, 297493), (364, 212495), (455, 169996), (910, 84998), (1820, 42499)]