16398544820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{235679}}^1$

素因数の和:235773

約数の個数: 72

約数和(自身を含む): 40623690240

約数和(自身を除く): 24225145420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 17395, 34790, 69580, 235679, 471358, 942716, 1178395, 1649753, 2356790, 3299506, 4713580, 6599012, 8248765, 11548271, 16497530, 16733209, 23096542, 32995060, 33466418, 46193084, 57741355, 66932836, 83666045, 115482710, 117132463, 167332090, 230965420, 234264926, 334664180, 468529852, 585662315, 819927241, 1171324630, 1639854482, 2342649260, 3279708964, 4099636205, 8199272410, 16398544820]

約数ペア:

[(1, 16398544820), (2, 8199272410), (4, 4099636205), (5, 3279708964), (7, 2342649260), (10, 1639854482), (14, 1171324630), (20, 819927241), (28, 585662315), (35, 468529852), (49, 334664180), (70, 234264926), (71, 230965420), (98, 167332090), (140, 117132463), (142, 115482710), (196, 83666045), (245, 66932836), (284, 57741355), (355, 46193084), (490, 33466418), (497, 32995060), (710, 23096542), (980, 16733209), (994, 16497530), (1420, 11548271), (1988, 8248765), (2485, 6599012), (3479, 4713580), (4970, 3299506), (6958, 2356790), (9940, 1649753), (13916, 1178395), (17395, 942716), (34790, 471358), (69580, 235679)]