338387720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2439

約数の個数: 128

約数和(自身を含む): 926121600

約数和(自身を除く): 587733880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 440, 646, 680, 748, 760, 836, 935, 1045, 1292, 1496, 1615, 1672, 1870, 2090, 2381, 2584, 3230, 3553, 3740, 4180, 4762, 6460, 7106, 7480, 8360, 9524, 11905, 12920, 14212, 17765, 19048, 23810, 26191, 28424, 35530, 40477, 45239, 47620, 52382, 71060, 80954, 90478, 95240, 104764, 130955, 142120, 161908, 180956, 202385, 209528, 226195, 261910, 323816, 361912, 404770, 445247, 452390, 497629, 523820, 769063, 809540, 890494, 904780, 995258, 1047640, 1538126, 1619080, 1780988, 1809560, 1990516, 2226235, 2488145, 3076252, 3561976, 3845315, 3981032, 4452470, 4976290, 6152504, 7690630, 8459693, 8904940, 9952580, 15381260, 16919386, 17809880, 19905160, 30762520, 33838772, 42298465, 67677544, 84596930, 169193860, 338387720]

約数ペア:

[(1, 338387720), (2, 169193860), (4, 84596930), (5, 67677544), (8, 42298465), (10, 33838772), (11, 30762520), (17, 19905160), (19, 17809880), (20, 16919386), (22, 15381260), (34, 9952580), (38, 8904940), (40, 8459693), (44, 7690630), (55, 6152504), (68, 4976290), (76, 4452470), (85, 3981032), (88, 3845315), (95, 3561976), (110, 3076252), (136, 2488145), (152, 2226235), (170, 1990516), (187, 1809560), (190, 1780988), (209, 1619080), (220, 1538126), (323, 1047640), (340, 995258), (374, 904780), (380, 890494), (418, 809540), (440, 769063), (646, 523820), (680, 497629), (748, 452390), (760, 445247), (836, 404770), (935, 361912), (1045, 323816), (1292, 261910), (1496, 226195), (1615, 209528), (1672, 202385), (1870, 180956), (2090, 161908), (2381, 142120), (2584, 130955), (3230, 104764), (3553, 95240), (3740, 90478), (4180, 80954), (4762, 71060), (6460, 52382), (7106, 47620), (7480, 45239), (8360, 40477), (9524, 35530), (11905, 28424), (12920, 26191), (14212, 23810), (17765, 19048)]