378889720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{78283}}^1$

素因数の和:78316

約数の個数: 48

約数和(自身を含む): 937059480

約数和(自身を除く): 558169760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 78283, 156566, 313132, 391415, 626264, 782830, 861113, 1565660, 1722226, 3131320, 3444452, 4305565, 6888904, 8611130, 9472243, 17222260, 18944486, 34444520, 37888972, 47361215, 75777944, 94722430, 189444860, 378889720]

約数ペア:

[(1, 378889720), (2, 189444860), (4, 94722430), (5, 75777944), (8, 47361215), (10, 37888972), (11, 34444520), (20, 18944486), (22, 17222260), (40, 9472243), (44, 8611130), (55, 6888904), (88, 4305565), (110, 3444452), (121, 3131320), (220, 1722226), (242, 1565660), (440, 861113), (484, 782830), (605, 626264), (968, 391415), (1210, 313132), (2420, 156566), (4840, 78283)]