128690210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 261273600

約数和(自身を除く): 132583390

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 79, 110, 118, 158, 251, 295, 395, 502, 590, 649, 790, 869, 1255, 1298, 1738, 2510, 2761, 3245, 4345, 4661, 5522, 6490, 8690, 9322, 13805, 14809, 19829, 23305, 27610, 29618, 39658, 46610, 51271, 74045, 99145, 102542, 148090, 162899, 198290, 218119, 256355, 325798, 436238, 512710, 814495, 1090595, 1169911, 1628990, 2181190, 2339822, 5849555, 11699110, 12869021, 25738042, 64345105, 128690210]

約数ペア:

[(1, 128690210), (2, 64345105), (5, 25738042), (10, 12869021), (11, 11699110), (22, 5849555), (55, 2339822), (59, 2181190), (79, 1628990), (110, 1169911), (118, 1090595), (158, 814495), (251, 512710), (295, 436238), (395, 325798), (502, 256355), (590, 218119), (649, 198290), (790, 162899), (869, 148090), (1255, 102542), (1298, 99145), (1738, 74045), (2510, 51271), (2761, 46610), (3245, 39658), (4345, 29618), (4661, 27610), (5522, 23305), (6490, 19829), (8690, 14809), (9322, 13805)]