201994760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 320552440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 59, 62, 88, 110, 118, 124, 155, 220, 236, 248, 251, 295, 310, 341, 440, 472, 502, 590, 620, 649, 682, 1004, 1180, 1240, 1255, 1298, 1364, 1705, 1829, 2008, 2360, 2510, 2596, 2728, 2761, 3245, 3410, 3658, 5020, 5192, 5522, 6490, 6820, 7316, 7781, 9145, 10040, 11044, 12980, 13640, 13805, 14632, 14809, 15562, 18290, 20119, 22088, 25960, 27610, 29618, 31124, 36580, 38905, 40238, 55220, 59236, 62248, 73160, 74045, 77810, 80476, 85591, 100595, 110440, 118472, 148090, 155620, 160952, 162899, 171182, 201190, 296180, 311240, 325798, 342364, 402380, 427955, 459079, 592360, 651596, 684728, 804760, 814495, 855910, 918158, 1303192, 1628990, 1711820, 1836316, 2295395, 3257980, 3423640, 3672632, 4590790, 5049869, 6515960, 9181580, 10099738, 18363160, 20199476, 25249345, 40398952, 50498690, 100997380, 201994760]

約数ペア:

[(1, 201994760), (2, 100997380), (4, 50498690), (5, 40398952), (8, 25249345), (10, 20199476), (11, 18363160), (20, 10099738), (22, 9181580), (31, 6515960), (40, 5049869), (44, 4590790), (55, 3672632), (59, 3423640), (62, 3257980), (88, 2295395), (110, 1836316), (118, 1711820), (124, 1628990), (155, 1303192), (220, 918158), (236, 855910), (248, 814495), (251, 804760), (295, 684728), (310, 651596), (341, 592360), (440, 459079), (472, 427955), (502, 402380), (590, 342364), (620, 325798), (649, 311240), (682, 296180), (1004, 201190), (1180, 171182), (1240, 162899), (1255, 160952), (1298, 155620), (1364, 148090), (1705, 118472), (1829, 110440), (2008, 100595), (2360, 85591), (2510, 80476), (2596, 77810), (2728, 74045), (2761, 73160), (3245, 62248), (3410, 59236), (3658, 55220), (5020, 40238), (5192, 38905), (5522, 36580), (6490, 31124), (6820, 29618), (7316, 27610), (7781, 25960), (9145, 22088), (10040, 20119), (11044, 18290), (12980, 15562), (13640, 14809), (13805, 14632)]