7785561220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{45631}}^1$

素因数の和:46108

約数の個数: 48

約数和(自身を含む): 17248896000

約数和(自身を除く): 9463334780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 449, 898, 1796, 2245, 4490, 8531, 8980, 17062, 34124, 42655, 45631, 85310, 91262, 170620, 182524, 228155, 456310, 866989, 912620, 1733978, 3467956, 4334945, 8669890, 17339780, 20488319, 40976638, 81953276, 102441595, 204883190, 389278061, 409766380, 778556122, 1557112244, 1946390305, 3892780610, 7785561220]

約数ペア:

[(1, 7785561220), (2, 3892780610), (4, 1946390305), (5, 1557112244), (10, 778556122), (19, 409766380), (20, 389278061), (38, 204883190), (76, 102441595), (95, 81953276), (190, 40976638), (380, 20488319), (449, 17339780), (898, 8669890), (1796, 4334945), (2245, 3467956), (4490, 1733978), (8531, 912620), (8980, 866989), (17062, 456310), (34124, 228155), (42655, 182524), (45631, 170620), (85310, 91262)]