251051320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1523}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 610636320

約数和(自身を除く): 359585000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 520, 634, 1268, 1523, 1585, 2536, 3046, 3170, 4121, 6092, 6340, 7615, 8242, 12184, 12680, 15230, 16484, 19799, 20605, 30460, 32968, 39598, 41210, 60920, 79196, 82420, 98995, 158392, 164840, 197990, 395980, 482791, 791960, 965582, 1931164, 2413955, 3862328, 4827910, 6276283, 9655820, 12552566, 19311640, 25105132, 31381415, 50210264, 62762830, 125525660, 251051320]

約数ペア:

[(1, 251051320), (2, 125525660), (4, 62762830), (5, 50210264), (8, 31381415), (10, 25105132), (13, 19311640), (20, 12552566), (26, 9655820), (40, 6276283), (52, 4827910), (65, 3862328), (104, 2413955), (130, 1931164), (260, 965582), (317, 791960), (520, 482791), (634, 395980), (1268, 197990), (1523, 164840), (1585, 158392), (2536, 98995), (3046, 82420), (3170, 79196), (4121, 60920), (6092, 41210), (6340, 39598), (7615, 32968), (8242, 30460), (12184, 20605), (12680, 19799), (15230, 16484)]