263500880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2017}}^1$

素因数の和:2124

約数の個数: 80

約数和(自身を含む): 648601344

約数和(自身を除く): 385100464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 1136, 1420, 1633, 1840, 2017, 2840, 3266, 4034, 5680, 6532, 8068, 8165, 10085, 13064, 16136, 16330, 20170, 26128, 32272, 32660, 40340, 46391, 65320, 80680, 92782, 130640, 143207, 161360, 185564, 231955, 286414, 371128, 463910, 572828, 716035, 742256, 927820, 1145656, 1432070, 1855640, 2291312, 2864140, 3293761, 3711280, 5728280, 6587522, 11456560, 13175044, 16468805, 26350088, 32937610, 52700176, 65875220, 131750440, 263500880]

約数ペア:

[(1, 263500880), (2, 131750440), (4, 65875220), (5, 52700176), (8, 32937610), (10, 26350088), (16, 16468805), (20, 13175044), (23, 11456560), (40, 6587522), (46, 5728280), (71, 3711280), (80, 3293761), (92, 2864140), (115, 2291312), (142, 1855640), (184, 1432070), (230, 1145656), (284, 927820), (355, 742256), (368, 716035), (460, 572828), (568, 463910), (710, 371128), (920, 286414), (1136, 231955), (1420, 185564), (1633, 161360), (1840, 143207), (2017, 130640), (2840, 92782), (3266, 80680), (4034, 65320), (5680, 46391), (6532, 40340), (8068, 32660), (8165, 32272), (10085, 26128), (13064, 20170), (16136, 16330)]