201886520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{991}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 497111040

約数和(自身を除く): 295224520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 463, 926, 991, 1852, 1982, 2315, 3704, 3964, 4630, 4955, 5093, 7928, 9260, 9910, 10186, 10901, 18520, 19820, 20372, 21802, 25465, 39640, 40744, 43604, 50930, 54505, 87208, 101860, 109010, 203720, 218020, 436040, 458833, 917666, 1835332, 2294165, 3670664, 4588330, 5047163, 9176660, 10094326, 18353320, 20188652, 25235815, 40377304, 50471630, 100943260, 201886520]

約数ペア:

[(1, 201886520), (2, 100943260), (4, 50471630), (5, 40377304), (8, 25235815), (10, 20188652), (11, 18353320), (20, 10094326), (22, 9176660), (40, 5047163), (44, 4588330), (55, 3670664), (88, 2294165), (110, 1835332), (220, 917666), (440, 458833), (463, 436040), (926, 218020), (991, 203720), (1852, 109010), (1982, 101860), (2315, 87208), (3704, 54505), (3964, 50930), (4630, 43604), (4955, 40744), (5093, 39640), (7928, 25465), (9260, 21802), (9910, 20372), (10186, 19820), (10901, 18520)]