388123020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2207}}^1$

素因数の和:3199

約数の個数: 72

約数和(自身を含む): 1179045504

約数和(自身を除く): 790922484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 977, 1954, 2207, 2931, 3908, 4414, 4885, 5862, 6621, 8793, 8828, 9770, 11035, 11724, 13242, 14655, 17586, 19540, 19863, 22070, 26484, 29310, 33105, 35172, 39726, 43965, 44140, 58620, 66210, 79452, 87930, 99315, 132420, 175860, 198630, 397260, 2156239, 4312478, 6468717, 8624956, 10781195, 12937434, 19406151, 21562390, 25874868, 32343585, 38812302, 43124780, 64687170, 77624604, 97030755, 129374340, 194061510, 388123020]

約数ペア:

[(1, 388123020), (2, 194061510), (3, 129374340), (4, 97030755), (5, 77624604), (6, 64687170), (9, 43124780), (10, 38812302), (12, 32343585), (15, 25874868), (18, 21562390), (20, 19406151), (30, 12937434), (36, 10781195), (45, 8624956), (60, 6468717), (90, 4312478), (180, 2156239), (977, 397260), (1954, 198630), (2207, 175860), (2931, 132420), (3908, 99315), (4414, 87930), (4885, 79452), (5862, 66210), (6621, 58620), (8793, 44140), (8828, 43965), (9770, 39726), (11035, 35172), (11724, 33105), (13242, 29310), (14655, 26484), (17586, 22070), (19540, 19863)]