423828340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3461

約数の個数: 72

約数和(自身を含む): 990110520

約数和(自身を除く): 566282180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 481, 676, 740, 845, 962, 1690, 1924, 2405, 3380, 3389, 4810, 6253, 6778, 9620, 12506, 13556, 16945, 25012, 31265, 33890, 44057, 62530, 67780, 88114, 125060, 125393, 176228, 220285, 250786, 440570, 501572, 572741, 626965, 881140, 1145482, 1253930, 1630109, 2290964, 2507860, 2863705, 3260218, 5727410, 6520436, 8150545, 11454820, 16301090, 21191417, 32602180, 42382834, 84765668, 105957085, 211914170, 423828340]

約数ペア:

[(1, 423828340), (2, 211914170), (4, 105957085), (5, 84765668), (10, 42382834), (13, 32602180), (20, 21191417), (26, 16301090), (37, 11454820), (52, 8150545), (65, 6520436), (74, 5727410), (130, 3260218), (148, 2863705), (169, 2507860), (185, 2290964), (260, 1630109), (338, 1253930), (370, 1145482), (481, 881140), (676, 626965), (740, 572741), (845, 501572), (962, 440570), (1690, 250786), (1924, 220285), (2405, 176228), (3380, 125393), (3389, 125060), (4810, 88114), (6253, 67780), (6778, 62530), (9620, 44057), (12506, 33890), (13556, 31265), (16945, 25012)]