209999640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 671224320

約数和(自身を除く): 461224680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 311, 331, 340, 408, 510, 622, 662, 680, 933, 993, 1020, 1244, 1324, 1555, 1655, 1866, 1986, 2040, 2488, 2648, 3110, 3310, 3732, 3972, 4665, 4965, 5287, 5627, 6220, 6620, 7464, 7944, 9330, 9930, 10574, 11254, 12440, 13240, 15861, 16881, 18660, 19860, 21148, 22508, 26435, 28135, 31722, 33762, 37320, 39720, 42296, 45016, 52870, 56270, 63444, 67524, 79305, 84405, 102941, 105740, 112540, 126888, 135048, 158610, 168810, 205882, 211480, 225080, 308823, 317220, 337620, 411764, 514705, 617646, 634440, 675240, 823528, 1029410, 1235292, 1544115, 1749997, 2058820, 2470584, 3088230, 3499994, 4117640, 5249991, 6176460, 6999988, 8749985, 10499982, 12352920, 13999976, 17499970, 20999964, 26249955, 34999940, 41999928, 52499910, 69999880, 104999820, 209999640]

約数ペア:

[(1, 209999640), (2, 104999820), (3, 69999880), (4, 52499910), (5, 41999928), (6, 34999940), (8, 26249955), (10, 20999964), (12, 17499970), (15, 13999976), (17, 12352920), (20, 10499982), (24, 8749985), (30, 6999988), (34, 6176460), (40, 5249991), (51, 4117640), (60, 3499994), (68, 3088230), (85, 2470584), (102, 2058820), (120, 1749997), (136, 1544115), (170, 1235292), (204, 1029410), (255, 823528), (311, 675240), (331, 634440), (340, 617646), (408, 514705), (510, 411764), (622, 337620), (662, 317220), (680, 308823), (933, 225080), (993, 211480), (1020, 205882), (1244, 168810), (1324, 158610), (1555, 135048), (1655, 126888), (1866, 112540), (1986, 105740), (2040, 102941), (2488, 84405), (2648, 79305), (3110, 67524), (3310, 63444), (3732, 56270), (3972, 52870), (4665, 45016), (4965, 42296), (5287, 39720), (5627, 37320), (6220, 33762), (6620, 31722), (7464, 28135), (7944, 26435), (9330, 22508), (9930, 21148), (10574, 19860), (11254, 18660), (12440, 16881), (13240, 15861)]