28953340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5861}}^1$

素因数の和:5902

約数の個数: 48

約数和(自身を含む): 68937120

約数和(自身を除く): 39983780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5861, 11722, 23444, 29305, 58610, 76193, 111359, 117220, 152386, 222718, 304772, 380965, 445436, 556795, 761930, 1113590, 1447667, 1523860, 2227180, 2895334, 5790668, 7238335, 14476670, 28953340]

約数ペア:

[(1, 28953340), (2, 14476670), (4, 7238335), (5, 5790668), (10, 2895334), (13, 2227180), (19, 1523860), (20, 1447667), (26, 1113590), (38, 761930), (52, 556795), (65, 445436), (76, 380965), (95, 304772), (130, 222718), (190, 152386), (247, 117220), (260, 111359), (380, 76193), (494, 58610), (988, 29305), (1235, 23444), (2470, 11722), (4940, 5861)]