321476540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1275

約数の個数: 96

約数和(自身を含む): 846720000

約数和(自身を除く): 525243460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 199, 220, 308, 385, 398, 770, 796, 995, 1049, 1393, 1540, 1990, 2098, 2189, 2786, 3980, 4196, 4378, 5245, 5572, 6965, 7343, 8756, 10490, 10945, 11539, 13930, 14686, 15323, 20980, 21890, 23078, 27860, 29372, 30646, 36715, 43780, 46156, 57695, 61292, 73430, 76615, 80773, 115390, 146860, 153230, 161546, 208751, 230780, 306460, 323092, 403865, 417502, 807730, 835004, 1043755, 1461257, 1615460, 2087510, 2296261, 2922514, 4175020, 4592522, 5845028, 7306285, 9185044, 11481305, 14612570, 16073827, 22962610, 29225140, 32147654, 45925220, 64295308, 80369135, 160738270, 321476540]

約数ペア:

[(1, 321476540), (2, 160738270), (4, 80369135), (5, 64295308), (7, 45925220), (10, 32147654), (11, 29225140), (14, 22962610), (20, 16073827), (22, 14612570), (28, 11481305), (35, 9185044), (44, 7306285), (55, 5845028), (70, 4592522), (77, 4175020), (110, 2922514), (140, 2296261), (154, 2087510), (199, 1615460), (220, 1461257), (308, 1043755), (385, 835004), (398, 807730), (770, 417502), (796, 403865), (995, 323092), (1049, 306460), (1393, 230780), (1540, 208751), (1990, 161546), (2098, 153230), (2189, 146860), (2786, 115390), (3980, 80773), (4196, 76615), (4378, 73430), (5245, 61292), (5572, 57695), (6965, 46156), (7343, 43780), (8756, 36715), (10490, 30646), (10945, 29372), (11539, 27860), (13930, 23078), (14686, 21890), (15323, 20980)]