191812040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1499}}^1$

素因数の和:1974

約数の個数: 64

約数和(自身を含む): 494640000

約数和(自身を除く): 302827960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 1499, 1828, 2285, 2998, 3199, 3656, 4570, 5996, 6398, 7495, 9140, 10493, 11992, 12796, 14990, 15995, 18280, 20986, 25592, 29980, 31990, 41972, 52465, 59960, 63980, 83944, 104930, 127960, 209860, 419720, 685043, 1370086, 2740172, 3425215, 4795301, 5480344, 6850430, 9590602, 13700860, 19181204, 23976505, 27401720, 38362408, 47953010, 95906020, 191812040]

約数ペア:

[(1, 191812040), (2, 95906020), (4, 47953010), (5, 38362408), (7, 27401720), (8, 23976505), (10, 19181204), (14, 13700860), (20, 9590602), (28, 6850430), (35, 5480344), (40, 4795301), (56, 3425215), (70, 2740172), (140, 1370086), (280, 685043), (457, 419720), (914, 209860), (1499, 127960), (1828, 104930), (2285, 83944), (2998, 63980), (3199, 59960), (3656, 52465), (4570, 41972), (5996, 31990), (6398, 29980), (7495, 25592), (9140, 20986), (10493, 18280), (11992, 15995), (12796, 14990)]