28079240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{347}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 76921920

約数和(自身を除く): 48842680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 289, 340, 347, 476, 578, 595, 680, 694, 952, 1156, 1190, 1388, 1445, 1735, 2023, 2312, 2380, 2429, 2776, 2890, 3470, 4046, 4760, 4858, 5780, 5899, 6940, 8092, 9716, 10115, 11560, 11798, 12145, 13880, 16184, 19432, 20230, 23596, 24290, 29495, 40460, 41293, 47192, 48580, 58990, 80920, 82586, 97160, 100283, 117980, 165172, 200566, 206465, 235960, 330344, 401132, 412930, 501415, 701981, 802264, 825860, 1002830, 1403962, 1651720, 2005660, 2807924, 3509905, 4011320, 5615848, 7019810, 14039620, 28079240]

約数ペア:

[(1, 28079240), (2, 14039620), (4, 7019810), (5, 5615848), (7, 4011320), (8, 3509905), (10, 2807924), (14, 2005660), (17, 1651720), (20, 1403962), (28, 1002830), (34, 825860), (35, 802264), (40, 701981), (56, 501415), (68, 412930), (70, 401132), (85, 330344), (119, 235960), (136, 206465), (140, 200566), (170, 165172), (238, 117980), (280, 100283), (289, 97160), (340, 82586), (347, 80920), (476, 58990), (578, 48580), (595, 47192), (680, 41293), (694, 40460), (952, 29495), (1156, 24290), (1190, 23596), (1388, 20230), (1445, 19432), (1735, 16184), (2023, 13880), (2312, 12145), (2380, 11798), (2429, 11560), (2776, 10115), (2890, 9716), (3470, 8092), (4046, 6940), (4760, 5899), (4858, 5780)]