211071640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5717}}^1$

素因数の和:5812

約数の個数: 64

約数和(自身を含む): 518736960

約数和(自身を除く): 307665320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 5717, 7384, 9230, 11434, 18460, 22868, 28585, 36920, 45736, 57170, 74321, 114340, 148642, 228680, 297284, 371605, 405907, 594568, 743210, 811814, 1486420, 1623628, 2029535, 2972840, 3247256, 4059070, 5276791, 8118140, 10553582, 16236280, 21107164, 26383955, 42214328, 52767910, 105535820, 211071640]

約数ペア:

[(1, 211071640), (2, 105535820), (4, 52767910), (5, 42214328), (8, 26383955), (10, 21107164), (13, 16236280), (20, 10553582), (26, 8118140), (40, 5276791), (52, 4059070), (65, 3247256), (71, 2972840), (104, 2029535), (130, 1623628), (142, 1486420), (260, 811814), (284, 743210), (355, 594568), (520, 405907), (568, 371605), (710, 297284), (923, 228680), (1420, 148642), (1846, 114340), (2840, 74321), (3692, 57170), (4615, 45736), (5717, 36920), (7384, 28585), (9230, 22868), (11434, 18460)]