28994680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 79289280

約数和(自身を除く): 50294600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 137, 143, 148, 185, 220, 260, 274, 286, 296, 370, 407, 440, 481, 520, 548, 572, 685, 715, 740, 814, 962, 1096, 1144, 1370, 1430, 1480, 1507, 1628, 1781, 1924, 2035, 2405, 2740, 2860, 3014, 3256, 3562, 3848, 4070, 4810, 5069, 5291, 5480, 5720, 6028, 7124, 7535, 8140, 8905, 9620, 10138, 10582, 12056, 14248, 15070, 16280, 17810, 19240, 19591, 20276, 21164, 25345, 26455, 30140, 35620, 39182, 40552, 42328, 50690, 52910, 55759, 60280, 65897, 71240, 78364, 97955, 101380, 105820, 111518, 131794, 156728, 195910, 202760, 211640, 223036, 263588, 278795, 329485, 391820, 446072, 527176, 557590, 658970, 724867, 783640, 1115180, 1317940, 1449734, 2230360, 2635880, 2899468, 3624335, 5798936, 7248670, 14497340, 28994680]

約数ペア:

[(1, 28994680), (2, 14497340), (4, 7248670), (5, 5798936), (8, 3624335), (10, 2899468), (11, 2635880), (13, 2230360), (20, 1449734), (22, 1317940), (26, 1115180), (37, 783640), (40, 724867), (44, 658970), (52, 557590), (55, 527176), (65, 446072), (74, 391820), (88, 329485), (104, 278795), (110, 263588), (130, 223036), (137, 211640), (143, 202760), (148, 195910), (185, 156728), (220, 131794), (260, 111518), (274, 105820), (286, 101380), (296, 97955), (370, 78364), (407, 71240), (440, 65897), (481, 60280), (520, 55759), (548, 52910), (572, 50690), (685, 42328), (715, 40552), (740, 39182), (814, 35620), (962, 30140), (1096, 26455), (1144, 25345), (1370, 21164), (1430, 20276), (1480, 19591), (1507, 19240), (1628, 17810), (1781, 16280), (1924, 15070), (2035, 14248), (2405, 12056), (2740, 10582), (2860, 10138), (3014, 9620), (3256, 8905), (3562, 8140), (3848, 7535), (4070, 7124), (4810, 6028), (5069, 5720), (5291, 5480)]