198669660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2377}}^1$

素因数の和:2595

約数の個数: 96

約数和(自身を含む): 639206400

約数和(自身を除く): 440536740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1990, 2377, 2388, 2786, 2985, 3980, 4179, 4754, 5572, 5970, 6965, 7131, 8358, 9508, 11885, 11940, 13930, 14262, 16639, 16716, 20895, 23770, 27860, 28524, 33278, 35655, 41790, 47540, 49917, 66556, 71310, 83195, 83580, 99834, 142620, 166390, 199668, 249585, 332780, 473023, 499170, 946046, 998340, 1419069, 1892092, 2365115, 2838138, 3311161, 4730230, 5676276, 6622322, 7095345, 9460460, 9933483, 13244644, 14190690, 16555805, 19866966, 28381380, 33111610, 39733932, 49667415, 66223220, 99334830, 198669660]

約数ペア:

[(1, 198669660), (2, 99334830), (3, 66223220), (4, 49667415), (5, 39733932), (6, 33111610), (7, 28381380), (10, 19866966), (12, 16555805), (14, 14190690), (15, 13244644), (20, 9933483), (21, 9460460), (28, 7095345), (30, 6622322), (35, 5676276), (42, 4730230), (60, 3311161), (70, 2838138), (84, 2365115), (105, 1892092), (140, 1419069), (199, 998340), (210, 946046), (398, 499170), (420, 473023), (597, 332780), (796, 249585), (995, 199668), (1194, 166390), (1393, 142620), (1990, 99834), (2377, 83580), (2388, 83195), (2786, 71310), (2985, 66556), (3980, 49917), (4179, 47540), (4754, 41790), (5572, 35655), (5970, 33278), (6965, 28524), (7131, 27860), (8358, 23770), (9508, 20895), (11885, 16716), (11940, 16639), (13930, 14262)]