394541680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3911}}^1$

素因数の和:4034

約数の個数: 80

約数和(自身を含む): 998311104

約数和(自身を除く): 603769424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1940, 2522, 3880, 3911, 5044, 6305, 7760, 7822, 10088, 12610, 15644, 19555, 20176, 25220, 31288, 39110, 50440, 50843, 62576, 78220, 100880, 101686, 156440, 203372, 254215, 312880, 379367, 406744, 508430, 758734, 813488, 1016860, 1517468, 1896835, 2033720, 3034936, 3793670, 4067440, 4931771, 6069872, 7587340, 9863542, 15174680, 19727084, 24658855, 30349360, 39454168, 49317710, 78908336, 98635420, 197270840, 394541680]

約数ペア:

[(1, 394541680), (2, 197270840), (4, 98635420), (5, 78908336), (8, 49317710), (10, 39454168), (13, 30349360), (16, 24658855), (20, 19727084), (26, 15174680), (40, 9863542), (52, 7587340), (65, 6069872), (80, 4931771), (97, 4067440), (104, 3793670), (130, 3034936), (194, 2033720), (208, 1896835), (260, 1517468), (388, 1016860), (485, 813488), (520, 758734), (776, 508430), (970, 406744), (1040, 379367), (1261, 312880), (1552, 254215), (1940, 203372), (2522, 156440), (3880, 101686), (3911, 100880), (5044, 78220), (6305, 62576), (7760, 50843), (7822, 50440), (10088, 39110), (12610, 31288), (15644, 25220), (19555, 20176)]