263770160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1789}}^1$

素因数の和:1918

約数の個数: 80

約数和(自身を含む): 652562400

約数和(自身を除く): 388792240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1520, 1552, 1789, 1843, 1940, 3578, 3686, 3880, 7156, 7372, 7760, 8945, 9215, 14312, 14744, 17890, 18430, 28624, 29488, 33991, 35780, 36860, 67982, 71560, 73720, 135964, 143120, 147440, 169955, 173533, 271928, 339910, 347066, 543856, 679820, 694132, 867665, 1359640, 1388264, 1735330, 2719280, 2776528, 3297127, 3470660, 6594254, 6941320, 13188508, 13882640, 16485635, 26377016, 32971270, 52754032, 65942540, 131885080, 263770160]

約数ペア:

[(1, 263770160), (2, 131885080), (4, 65942540), (5, 52754032), (8, 32971270), (10, 26377016), (16, 16485635), (19, 13882640), (20, 13188508), (38, 6941320), (40, 6594254), (76, 3470660), (80, 3297127), (95, 2776528), (97, 2719280), (152, 1735330), (190, 1388264), (194, 1359640), (304, 867665), (380, 694132), (388, 679820), (485, 543856), (760, 347066), (776, 339910), (970, 271928), (1520, 173533), (1552, 169955), (1789, 147440), (1843, 143120), (1940, 135964), (3578, 73720), (3686, 71560), (3880, 67982), (7156, 36860), (7372, 35780), (7760, 33991), (8945, 29488), (9215, 28624), (14312, 18430), (14744, 17890)]