2017103620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{4889}}^1$

素因数の和:5333

約数の個数: 72

約数和(自身を含む): 4940210520

約数和(自身を除く): 2923106900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 421, 490, 842, 980, 1684, 2105, 2947, 4210, 4889, 5894, 8420, 9778, 11788, 14735, 19556, 20629, 24445, 29470, 34223, 41258, 48890, 58940, 68446, 82516, 97780, 103145, 136892, 171115, 206290, 239561, 342230, 412580, 479122, 684460, 958244, 1197805, 2058269, 2395610, 4116538, 4791220, 8233076, 10291345, 14407883, 20582690, 28815766, 41165380, 57631532, 72039415, 100855181, 144078830, 201710362, 288157660, 403420724, 504275905, 1008551810, 2017103620]

約数ペア:

[(1, 2017103620), (2, 1008551810), (4, 504275905), (5, 403420724), (7, 288157660), (10, 201710362), (14, 144078830), (20, 100855181), (28, 72039415), (35, 57631532), (49, 41165380), (70, 28815766), (98, 20582690), (140, 14407883), (196, 10291345), (245, 8233076), (421, 4791220), (490, 4116538), (842, 2395610), (980, 2058269), (1684, 1197805), (2105, 958244), (2947, 684460), (4210, 479122), (4889, 412580), (5894, 342230), (8420, 239561), (9778, 206290), (11788, 171115), (14735, 136892), (19556, 103145), (20629, 97780), (24445, 82516), (29470, 68446), (34223, 58940), (41258, 48890)]