1917996220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{85093}}^1$

素因数の和:85139

約数の個数: 72

約数和(自身を含む): 4889160864

約数和(自身を除く): 2971164644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540, 85093, 170186, 340372, 425465, 595651, 850930, 1191302, 1701860, 1957139, 2382604, 2978255, 3914278, 4169557, 5956510, 7828556, 8339114, 9785695, 11913020, 13699973, 16678228, 19571390, 20847785, 27399946, 39142780, 41695570, 54799892, 68499865, 83391140, 95899811, 136999730, 191799622, 273999460, 383599244, 479499055, 958998110, 1917996220]

約数ペア:

[(1, 1917996220), (2, 958998110), (4, 479499055), (5, 383599244), (7, 273999460), (10, 191799622), (14, 136999730), (20, 95899811), (23, 83391140), (28, 68499865), (35, 54799892), (46, 41695570), (49, 39142780), (70, 27399946), (92, 20847785), (98, 19571390), (115, 16678228), (140, 13699973), (161, 11913020), (196, 9785695), (230, 8339114), (245, 7828556), (322, 5956510), (460, 4169557), (490, 3914278), (644, 2978255), (805, 2382604), (980, 1957139), (1127, 1701860), (1610, 1191302), (2254, 850930), (3220, 595651), (4508, 425465), (5635, 340372), (11270, 170186), (22540, 85093)]