420000152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 961320960

約数和(自身を除く): 541320808

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 169, 248, 286, 338, 341, 403, 572, 676, 682, 806, 911, 1144, 1352, 1364, 1612, 1822, 1859, 2728, 3224, 3644, 3718, 4433, 5239, 7288, 7436, 8866, 10021, 10478, 11843, 14872, 17732, 20042, 20956, 23686, 28241, 35464, 40084, 41912, 47372, 56482, 57629, 80168, 94744, 112964, 115258, 130273, 153959, 225928, 230516, 260546, 307918, 310651, 367133, 461032, 521092, 615836, 621302, 734266, 1042184, 1231672, 1242604, 1468532, 1693549, 2485208, 2937064, 3387098, 4038463, 4772729, 6774196, 8076926, 9545458, 13548392, 16153852, 19090916, 32307704, 38181832, 52500019, 105000038, 210000076, 420000152]

約数ペア:

[(1, 420000152), (2, 210000076), (4, 105000038), (8, 52500019), (11, 38181832), (13, 32307704), (22, 19090916), (26, 16153852), (31, 13548392), (44, 9545458), (52, 8076926), (62, 6774196), (88, 4772729), (104, 4038463), (124, 3387098), (143, 2937064), (169, 2485208), (248, 1693549), (286, 1468532), (338, 1242604), (341, 1231672), (403, 1042184), (572, 734266), (676, 621302), (682, 615836), (806, 521092), (911, 461032), (1144, 367133), (1352, 310651), (1364, 307918), (1612, 260546), (1822, 230516), (1859, 225928), (2728, 153959), (3224, 130273), (3644, 115258), (3718, 112964), (4433, 94744), (5239, 80168), (7288, 57629), (7436, 56482), (8866, 47372), (10021, 41912), (10478, 40084), (11843, 35464), (14872, 28241), (17732, 23686), (20042, 20956)]