164489420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1117}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 356865600

約数和(自身を除く): 192376180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 740, 796, 995, 1117, 1990, 2234, 3980, 4468, 5585, 7363, 11170, 14726, 22340, 29452, 36815, 41329, 73630, 82658, 147260, 165316, 206645, 222283, 413290, 444566, 826580, 889132, 1111415, 2222830, 4445660, 8224471, 16448942, 32897884, 41122355, 82244710, 164489420]

約数ペア:

[(1, 164489420), (2, 82244710), (4, 41122355), (5, 32897884), (10, 16448942), (20, 8224471), (37, 4445660), (74, 2222830), (148, 1111415), (185, 889132), (199, 826580), (370, 444566), (398, 413290), (740, 222283), (796, 206645), (995, 165316), (1117, 147260), (1990, 82658), (2234, 73630), (3980, 41329), (4468, 36815), (5585, 29452), (7363, 22340), (11170, 14726)]