2761460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 6763680

約数和(自身を除く): 4002220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 169, 172, 190, 215, 247, 260, 338, 380, 430, 494, 559, 676, 817, 845, 860, 988, 1118, 1235, 1634, 1690, 2236, 2470, 2795, 3211, 3268, 3380, 4085, 4940, 5590, 6422, 7267, 8170, 10621, 11180, 12844, 14534, 16055, 16340, 21242, 29068, 32110, 36335, 42484, 53105, 64220, 72670, 106210, 138073, 145340, 212420, 276146, 552292, 690365, 1380730, 2761460]

約数ペア:

[(1, 2761460), (2, 1380730), (4, 690365), (5, 552292), (10, 276146), (13, 212420), (19, 145340), (20, 138073), (26, 106210), (38, 72670), (43, 64220), (52, 53105), (65, 42484), (76, 36335), (86, 32110), (95, 29068), (130, 21242), (169, 16340), (172, 16055), (190, 14534), (215, 12844), (247, 11180), (260, 10621), (338, 8170), (380, 7267), (430, 6422), (494, 5590), (559, 4940), (676, 4085), (817, 3380), (845, 3268), (860, 3211), (988, 2795), (1118, 2470), (1235, 2236), (1634, 1690)]