130197880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1051}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 310550400

約数和(自身を除く): 180352520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1051, 1304, 1630, 2102, 3097, 3260, 4204, 5255, 6194, 6520, 8408, 10510, 12388, 15485, 19969, 21020, 24776, 30970, 39938, 42040, 61940, 79876, 99845, 123880, 159752, 171313, 199690, 342626, 399380, 685252, 798760, 856565, 1370504, 1713130, 3254947, 3426260, 6509894, 6852520, 13019788, 16274735, 26039576, 32549470, 65098940, 130197880]

約数ペア:

[(1, 130197880), (2, 65098940), (4, 32549470), (5, 26039576), (8, 16274735), (10, 13019788), (19, 6852520), (20, 6509894), (38, 3426260), (40, 3254947), (76, 1713130), (95, 1370504), (152, 856565), (163, 798760), (190, 685252), (326, 399380), (380, 342626), (652, 199690), (760, 171313), (815, 159752), (1051, 123880), (1304, 99845), (1630, 79876), (2102, 61940), (3097, 42040), (3260, 39938), (4204, 30970), (5255, 24776), (6194, 21020), (6520, 19969), (8408, 15485), (10510, 12388)]