28547898340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{21661}}^1$

素因数の和:21857

約数の個数: 96

約数和(自身を含む): 66794170464

約数和(自身を除く): 38246272124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 137, 148, 185, 260, 274, 370, 481, 548, 685, 740, 962, 1370, 1781, 1924, 2405, 2740, 3562, 4810, 5069, 7124, 8905, 9620, 10138, 17810, 20276, 21661, 25345, 35620, 43322, 50690, 65897, 86644, 101380, 108305, 131794, 216610, 263588, 281593, 329485, 433220, 563186, 658970, 801457, 1126372, 1317940, 1407965, 1602914, 2815930, 2967557, 3205828, 4007285, 5631860, 5935114, 8014570, 10418941, 11870228, 14837785, 16029140, 20837882, 29675570, 38578241, 41675764, 52094705, 59351140, 77156482, 104189410, 109799609, 154312964, 192891205, 208378820, 219599218, 385782410, 439198436, 548998045, 771564820, 1097996090, 1427394917, 2195992180, 2854789834, 5709579668, 7136974585, 14273949170, 28547898340]

約数ペア:

[(1, 28547898340), (2, 14273949170), (4, 7136974585), (5, 5709579668), (10, 2854789834), (13, 2195992180), (20, 1427394917), (26, 1097996090), (37, 771564820), (52, 548998045), (65, 439198436), (74, 385782410), (130, 219599218), (137, 208378820), (148, 192891205), (185, 154312964), (260, 109799609), (274, 104189410), (370, 77156482), (481, 59351140), (548, 52094705), (685, 41675764), (740, 38578241), (962, 29675570), (1370, 20837882), (1781, 16029140), (1924, 14837785), (2405, 11870228), (2740, 10418941), (3562, 8014570), (4810, 5935114), (5069, 5631860), (7124, 4007285), (8905, 3205828), (9620, 2967557), (10138, 2815930), (17810, 1602914), (20276, 1407965), (21661, 1317940), (25345, 1126372), (35620, 801457), (43322, 658970), (50690, 563186), (65897, 433220), (86644, 329485), (101380, 281593), (108305, 263588), (131794, 216610)]