197728240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2698

約数の個数: 80

約数和(自身を含む): 491593536

約数和(自身を除く): 293865296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 328, 368, 410, 460, 656, 820, 920, 943, 1640, 1840, 1886, 2621, 3280, 3772, 4715, 5242, 7544, 9430, 10484, 13105, 15088, 18860, 20968, 26210, 37720, 41936, 52420, 60283, 75440, 104840, 107461, 120566, 209680, 214922, 241132, 301415, 429844, 482264, 537305, 602830, 859688, 964528, 1074610, 1205660, 1719376, 2149220, 2411320, 2471603, 4298440, 4822640, 4943206, 8596880, 9886412, 12358015, 19772824, 24716030, 39545648, 49432060, 98864120, 197728240]

約数ペア:

[(1, 197728240), (2, 98864120), (4, 49432060), (5, 39545648), (8, 24716030), (10, 19772824), (16, 12358015), (20, 9886412), (23, 8596880), (40, 4943206), (41, 4822640), (46, 4298440), (80, 2471603), (82, 2411320), (92, 2149220), (115, 1719376), (164, 1205660), (184, 1074610), (205, 964528), (230, 859688), (328, 602830), (368, 537305), (410, 482264), (460, 429844), (656, 301415), (820, 241132), (920, 214922), (943, 209680), (1640, 120566), (1840, 107461), (1886, 104840), (2621, 75440), (3280, 60283), (3772, 52420), (4715, 41936), (5242, 37720), (7544, 26210), (9430, 20968), (10484, 18860), (13105, 15088)]