285202280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7283}}^1$

素因数の和:7394

約数の個数: 64

約数和(自身を含む): 708004800

約数和(自身を除く): 422802520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7283, 7832, 9790, 14566, 19580, 29132, 36415, 39160, 58264, 72830, 80113, 145660, 160226, 291320, 320452, 400565, 640904, 648187, 801130, 1296374, 1602260, 2592748, 3204520, 3240935, 5185496, 6481870, 7130057, 12963740, 14260114, 25927480, 28520228, 35650285, 57040456, 71300570, 142601140, 285202280]

約数ペア:

[(1, 285202280), (2, 142601140), (4, 71300570), (5, 57040456), (8, 35650285), (10, 28520228), (11, 25927480), (20, 14260114), (22, 12963740), (40, 7130057), (44, 6481870), (55, 5185496), (88, 3240935), (89, 3204520), (110, 2592748), (178, 1602260), (220, 1296374), (356, 801130), (440, 648187), (445, 640904), (712, 400565), (890, 320452), (979, 291320), (1780, 160226), (1958, 145660), (3560, 80113), (3916, 72830), (4895, 58264), (7283, 39160), (7832, 36415), (9790, 29132), (14566, 19580)]