165740020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2309}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 361302480

約数和(自身を除く): 195562460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1940, 2309, 3589, 4618, 7178, 9236, 11545, 14356, 17945, 23090, 35890, 46180, 71780, 85433, 170866, 223973, 341732, 427165, 447946, 854330, 895892, 1119865, 1708660, 2239730, 4479460, 8287001, 16574002, 33148004, 41435005, 82870010, 165740020]

約数ペア:

[(1, 165740020), (2, 82870010), (4, 41435005), (5, 33148004), (10, 16574002), (20, 8287001), (37, 4479460), (74, 2239730), (97, 1708660), (148, 1119865), (185, 895892), (194, 854330), (370, 447946), (388, 427165), (485, 341732), (740, 223973), (970, 170866), (1940, 85433), (2309, 71780), (3589, 46180), (4618, 35890), (7178, 23090), (9236, 17945), (11545, 14356)]